Date: Tue, 21 Jan 2020 07:59:38 -0500 From: Pascal Immanuel Gates Subject: JOSHUA'S MEDICAL EXAM - Chapter 19 JOSHUA'S MEDICAL EXAM Chapter Nineteen: "Just Can't Get Enough" Man-Boy / Oral / Anal / Fisting / Watersports / Medical The next morning, it was the last Tuesday before spring break, I was woken up by some movement inside my butt. It took me a while until I knew where I was, that I was in bed with David, who embraced me from behind while I was lying on my side as he was fucking me slowly. "Good morning, sleepyhead." he whispered in my ear as he noticed I'm awake. "Good morning!" I sighed with pleasure. I loved having his big cock up my butt, it felt so amazing that he could have fucked me all day, but all to soon it would be over and I would have his cum for breakfast, also, his cock was pushing against my full bladder, so I had to pee soon, but I wanted this to last as long as I could. As I could barely hold it anymore and reached of the urine bottle on the nightstand, David impressed me once more. He lifted the blanket up and tossed it aside. Embracing me tightly, he rolled us over so he was lying on his back with me on top of him and whispered to me "Do it, I know how much you love this! Don't worry, Dylan and Peter can clean up the mess later!" I moaned as he reached for my crotch, fondling my little cock, tickling my balls with his fingertips while moving his hips, fucking me slowly, driving me crazy. I let go. First, only a few drops dribbled out, but then the flow increased, David took my cock in his hand to aim it on my belly and chest while he rubbed my rank morning pee into my skin with his other hand. He was right, I loved this so much, getting my warm pee rubbed into my skin, I let my hands join his, but all too soon my bladder was empty. David made me rise up and said "Turn around." I did, with his cock deeply buried inside my butt and as I was facing him, he grabbed me with his strong hands by my waist and began to move his hips up and down, fucking me slowly at first, but getting faster and faster. I was looking down at him, fondling his muscular, slightly hairy and now wet chest, and I was thinking how lucky I was, having such a kind and beautiful man as my caring doctor. I didn't know what was happening to me back then in this special moment, but deeply inside me I felt like never before, and I wanted more. I remembered what I had done with Sasha the other day as I was making out with him in the bathtub. I didn't know if David would like it, but even if he might hate me for this, I had to find out. I bent down, reached behind his neck to pull him up and planted a kiss on his lips. I pulled back to see his reaction, looking him deeply in the eyes. For a few moments there was no reaction at all and I already freaked out that I had spoiled the moment, but then he smiled, reached for the back of my head to pull me closer, and as our lips met again, his lips parted and I felt the tip of his tongue on my lips, trying to part them, too. Our tongues met for the first time and again, there was this feeling as if an electrical shock went through my body, this time from the tip of my tongue to the tip of my cock, making it throb. Our kiss got more and more intense, his tongue felt so soft, even softer than Sasha's, and as David was sucking on mine, I was going crazy. And so was David. He rolled us over so I was on my back, I put my legs on his shoulder so he was able to fuck me even deeper and embraced him tightly while we were kissing passionately. It felt like as if our bodies became one. Suddenly I felt something warm in my butt and David's fucking speed slowed down. At first, I thought he was cumming, but then, as my guts were getting filled up more and more, and a slight bubbling sound came from my belly, I became aware that he was peeing in my butt. I moaned as I got filled up with his morning pee, it felt amazing, and as my colon felt like being full to the brim, David increased his speed and fucked me as fast and as hard as he could. First, I tried to hold it in to prevent making a huge mess in the bed, but David didn't seem to bother and I let him fuck his pee out of me. A lot of it splashed out of my butt on the out strokes, and since I was almost upside down as he was topping me, most of it ran down my body, over my belly down to my chest to dribble down over my neck and shoulders onto the bedsheets covering the rubber mattress. It was incredibly amazing and I secretly hoped this would last forever as my dry orgasm was rising slowly. Suddenly there was a knock on the door but David didn't stop, neither kissing nor fucking me, so none of us could answer. I heard how the door opened and closed again. Steps were coming closer and then I heard Nathan's voice saying "Now have a look at this! Good morning, boss! Good morning, Joshua!" David completely ignored him and just continued fucking and kissing me, so Nathan added chuckling "Nothing better to start the day with a proper work-out, huh?" In the corner of my eye I could see parts of him, how he stood beside the bed in his white clothes. He opened his pants and let them fall down to his ankles, then he pushed his underwear down to let his growing cock free and started to stoke it slowly. It seemed that he liked what he saw, and as he was watching us, how we were at it, it aroused me even more. I put my hands on David's buttocks, pulling him closer with each thrust, giving him the sign to fuck me even harder and faster. As I reached my climax, I was almost screaming into David's kissing mouth, but he didn't stop fucking me, which drove me even more crazy. "Oh fuck! Yeah!" I heard Nathan moan. I peered at him with my left eye to see he had gotten rid of his clothes and was kneeling besides us on the bed, jacking his cock a mile a minute. I felt another orgasm rising, or was it just the first one which seemed to last forever? I didn't know, and it was far from being important in this moment. But all too soon David was on the verge of cumming, too. He stopped kissing me and without a word, neither to Nathan nor to me, he rose up and in one quick move he straddled my chest and shot his huge cum load into my wide opened mouth. Nathan was kneeling close to my head then, jacking his cock. With his other hand he reached for my head to turn it in his direction and with a loud moan, he also shot his load into my still wide opened mouth. They both were looking down at me as I grabbed both their cocks, bringing them together above my cum filled mouth and watched me how I licked up every drop of cum out of their pee slits. David as panting heavily, and after catching his breath, he turned his head to his assistant and said "Good morning, Nathan! What's on the agenda for today?" Nathan chuckled "Well, first, um, cleaning up the mess you've made?" "Yes, um, inform Dylan and Peter, that there was a little accident down here." David said. "A little accident, huh?" Nathan said chuckling. "Well, and we should get breakfast ready for Joshua!" I was licking and sucking on their cockheads while they were talking, swapping their cum around in my mouth, swallowing it in small sips, and after I had it all down, I said giggling "I thought this was my breakfast already!" +++ After taking a long and refreshing shower together with David, Nathan had my `breakfast' ready. He fed me a BM58 with the feeding syringe and before he pulled the hose out of my stomach, he spilled the syringe out with what looked like apple juice, but of course I knew it wasn't, so I also got something to `drink'. He noted date, time, what and how much he had fed me on my food list and then we went over to Exam One, where David performed a colonoscopy on me. I loved colonoscopies so much by then, the feeling as the endoscope went deeper and deeper into my guts, blowing up my colon with air, making me constantly fart, which made me giggle, and on top of all this, I could watch everything on the monitor. By then I even could recognize the beginning of my large bowel when the endoscope reached my appendix. David could have done this all day to me, but he had other work to do of course. That morning my colon was still completely empty, not only because of David's pee-enema in the morning, but because I hadn't eaten any solid food for days until the day before. David said he would like to monitor my digesting system over the day and gave Nathan instructions to do a gastroscopy every hour until noon, when he would perform the next colonoscopy. After that I would get fed my `lunch'. It was 7 a.m. and I sighed "A gastroscopy every hour? Can't you perform a colonoscopy every hour instead? And what shall I do between them? That's boring!" David chuckled "Well, if you think, we're boring you, what about we roll the machines over to E3 and Nathan could connect you to the penetration machine to continue your stretching lessons, would you like that?" "Whoa! Yeah!" I said excited and hopped off the chair. "I'll help you with this!" I said already unlocking the rolls of the colonoscopy machine. David laughed and said "All right, Nathan? Be sure you also connect him to the ECG, so Dylan and Peter can monitor him from upstairs, I need you to assist me between his exams. We have a lot of work to do!" "YIPPIE!" I almost yelled and rolled the colonoscopy machine out of the room, followed by Nathan, who was rolling the gastroscopy machine over to Exam Three. In E3 Nathan asked "Okay, which dildo would you like me to attach to the machine? I suggest you decide for a smaller one, one you'll be able to take for one hour." "This one!" I said, pointing on a cock shaped dildo which looked like slightly bigger and longer than David's cock. "Okay, well, hop on the chair!" Nathan said and got everything ready. He connected me to the ECG, put the automatic blood-pressure-meter on my left arm, connected the dildo to the fucking machine, squeezed a lot of lube into my butt so I wouldn't run dry within the next hour, then he adjusted the machine and let it push the dildo up my butt what made me moan. "You're really loving this, don't you?" he asked. "Oh yeah!" I moaned. "All right, um... I'm not gonna activate a program, after your incident with this machine I think it's better if you control it manually. Also, we have connected the machine to a so called Dead-Man-Switch." "What's that?" As Nathan explained it to me, he bound some kind of sensors around my left wrist what pretty much looked like the emergency button I was wearing already a few times. Then he also bound the remote control of the machine to my underarm, which had only three buttons, an on/off-switch, speed-up and speed-down, and let me start the machine. "Oh yes!" I moaned as the machine started and slowly fucked me. "Now, let your left arm hang down." Nathan said, and as I did, the machine instantly stopped. "Wow, that's cool!" I said. "Um, and how do I get it back to run?" "If you hold your arm up at least ten seconds, the machine will power up again, and then you can hit the on/off-switch again." Nathan said. "Okay? That's cool!" I said. I had just brought the machine back to run when Dylan entered the room and asked "Everything all right in here? I've just got an emergency alert from here. Oh hi, Joshua!" he said then as he saw me on the exam chair. "It was only a test!" Nathan said to him, then he turned to me and said "See? It works perfectly!" "Cool! Thanks!" "See you in an hour then!" he said. "Have fun!" "Thanks!" I said and they both left the room. I played a bit with the remote control at first, the control panel showed 12 thrusts per minute, and as I hit the speed-up button once, it increased speed to 24 thrusts per minute, and after I hit the button once again, the control panel showed 36 thrusts per minute. I kept this setting for a minute or so before I slowed it down to 12 again. I had almost an hour left so there was no need to hurry. I closed my eyes, and as I was fondling my crotch, I was imagining how David would fuck me right there and then. After a few minutes I sped up the machine again. I wanted to get this feeling back I had experienced together with David. As the control panel showed 60, I kept this setting and soon I was going crazy again. Precum dribbled out of my cock like hell, building a puddle on my belly. I scooped it up with my fingers and licked it off. Soon, I felt another orgasm rising and sped up the machine again until the control panel showed 120. Now I really was going crazy. I screamed in pleasure and as I was coming, my tummy contracted and some squirts of pee shot out of my cock onto my chest. But then I couldn't stand it anymore and stopped the machine by hitting the off-switch. It stopped with the dildo deeply inside me. Whimpering I just laid there, enjoying the afterglow of my -not that dry- orgasm, rubbing the little bit of pee into my skin, and slowly, I drifted off to sleep. Twenty minutes later or so I was woken up by Peter: "Hey, good morning, Joshua!" "Morning!" I said rubbing my eyes. "Must have fall asleep again." "Well, yeah, um... Nathan told me to look after you and prepare you for the gastroscopy." Peter said. "And he said, I could do it on a very special way, if you like." he said, opening his pants. "Would you?" "Yeah, sure!" I said. "Be my guest!" "Nathan told me you would!" he said smiling and turned the headboard down. I started the machine again and as it slowly fucked me, Peter pushed his long but thin cock into my throat and began to slowly fuck my other end. "Wow!" he moaned. "Your throat feels amazing, Joshua!" It made me a little proud when he said that. A few minutes later Nathan entered the room and Peter pulled his cock out so Nathan could insert the endoscope into my throat, down my gullet into my stomach. I didn't gag a bit and, on the monitor, I could watch how they picked a sample of the half-digested contents of my stomach. After they were done, I asked Nathan to change the dildo on the machine, this time I decided for the one with the globes, which would stretch my sphincter to its limit. And so, the forenoon went. Before every gastroscopy, either Peter or Dylan or even Nathan fucked my throat open for the endoscope, even though there was no need to do so, but it was a lot of fun, for them and for me! After a gastroscopy they attached another dildo to the machine and let me stretch my butt until the next gastroscopy. Some times I switched off the machine after only a few minutes and let myself drift off to sleep. I lost count how many orgasms I experienced. I got something to drink after every gastroscopy, and when I had to pee, I just peed all over myself, or even tried to pee in my mouth. By the gastroscopy at 11 o'clock I could see that my stomach was almost empty, this matched that I felt a little bit hungry. At half past 11, the machine was fucking me with a very long but thin dildo, Nathan, Peter and Dylan entered and they started to clean up the room. Nathan stopped the machine and after the dildo was out of my butt, he rolled the machine away behind the curtain and wondering, I asked "What's the matter?" "Your mum is here." Nathan said then. Freaking, I said "WHAT?" "She's talking with David right now in his office," Nathan said, "as far as I heard there might be a change of plans and you're not going home tonight." "Huh? Well, I must confess I rather stay here than going home, but may I ask, why?" "I don't know yet," Nathan said. "All I know is that they'll come down here soon and then they'll explain everything to you." "WHAAAT? My... my mum comes down here? Fuck! I don't wanna her see me like this!" I said. "Thought so," Nathan said, "that's why I bring you this!" he said handing me a hospital gown. "Oh fuck! Fuck! Fuck!" I said over and over again as Nathan helped me to put the gown on. "Calm down, Joshua," Nathan said. "She's surely just curious about what you're going through for all the money we're paying her for you." "You don't wanna perform a gastroscopy or a colonoscopy with her watching it, do you?" "Why not?" Nathan said chuckling. "You could show her how agonizing all these treatments are for you!" he added laughing. "But it's not agonizing at all!" I said. "Well, but your mum doesn't know, or do you want her to know how much pleasure it is for your having something big up your butt?" Nathan asked giggling. "NO! Of course not!" "Well, then I suggest you're gonna make up a good show for her!" Nathan chuckled. I was thinking, and then I asked "You mean, I should gag like hell for example when you insert the endoscope in my throat?" "Well, it's up to you!" Nathan said smiling. "Either way, I have no doubt you'll do well!" A few minutes later David entered the room, followed by my mum, and with a bride smile on his face he said "Joshua, your mum is here and wants to see how tough her son is!" "Hi mum!" I said smiling at her, she looked a little bit shocked as she saw me on the exam chair, connected to all the cables of the ECG, but then she went up to me and caressed my cheek. "Hi honey! David told me you've been well?" "Well, yes...?" "So, you did like it being here? Being a medical test subject?" "Um... well... kinda..." I stammered. "Most of it is hard to endure, and some procedures can be painful, but I got used to it, I can stand it by now, what helps me is knowing how many people are relying on me and this study, and David as also Nathan and the other staff are all really kind to me." "Good boy!" mum said, patting my head. "And David told me that your... um... your injuries in your... behind are healing well?" "Oh, um, yes..." "You can see it for yourself, Rose," David said then, "as I already told you we're about to perform first a gastroscopy and then a colonoscopy on him to be sure that his digestive system works well again, you know, he's on solid food again only since yesterday." "I'm not sure, if I wanna see this!" mum said. I grabbed her hand and said "Please stay, mommy!" "Well, all right, Honey, if you want me to stay, I'll stay." she said then. "Okay, well, Nathan?" He rolled the gastroscopy machine closer, powered it up and said "Ready, Doctor!" As David was about to insert the endoscope into my throat, mum asked "Isn't it better to sedate him for this?" "It usually is," David said, "and we did this at first, but your son hates being stitched by needles, so he asked us if we could train him to suppress his gag reflex. He can endue it by now, even though he doesn't like it at all to swallow the endoscope." "But it has to be done!" I said toughly and opened my mouth. "See?" David chuckled and inserted the endoscope in my throat. I decided not to gag. After what Nathan had told me that mum might planning to leave me there, I didn't wanted to freak her out and that she might make up her mind. I swallowed the endoscope just like a pro, as I already did four times that day. Mum just followed the procedure on the monitor, holding my hand, while David explained what he was doing. "...and now you can see that his stomach is completely empty. Seems he's digesting well already and he's probably hungry, waiting for his lunch." As David pulled the endoscope out, I also let out a long burp. "JOSHUA!" Mum almost shouted. David chuckled "That's pretty normal, Rose! The endoscope pumps a lot of air in there and it has to come out again on some ways. Okay, well, let's inspect the other end of his digestive system." "Oh, um... do I have to witness this?" mum asked. "Please stay, mummy!" I said again. I wanted to see her face when I was uncontrollably farting all the time while David was doing the colonoscopy. "Hum... okay, I'll stay, honey!" Nathan had already powered up the colonoscopy machine, so David could instantly continue. After inserting the endoscope into my butt, David explained "This is the exit of the so-called sigmoid colon, the last part of the large intestine, or better known as the large bowel. You see this, Rose?" "Um, yes?" "This part was bruised and even ruptured just a few days ago because of the super hard stool he had, but as you can see, it has healed perfectly and there's no bruise at all anymore." "Um... that's a little bit too much for me." Mum said. "How does it feel, honey?" "Weird, to say the least." I lied. I enjoyed this so much and I would have liked to play with my rock-hard cock. Lucky me, that it was covered by the gown. Then I started to fart and mum shouted "JOSHUA! Can't you behave yourself?" "I can't help it! ARGH!" I yelled at her, farting and farting over and over again. "Don't worry, Rose! That's pretty normal, too!" David said chuckling. "If we wouldn't blow up the intestine with some air, we wouldn't see anything." "Uh-huh? I see." Mum said. "And... um... how far are you right now, um, inside him?" "We're now about in the middle of his transverse colon," David explained, "so we're about... here!" David pressed with his fingers on my upper belly and on the monitor we could watch how my colon was squeezed a little bit. "Oh my god!" Mum said. "Doesn't it hurt?" "A little," I lied, "but I can stand it!" "You have such a tough son, Rose!" David said then. "Seems so!" Mum said. "That's my son!" She sounded a little bit proud when she said that. "Okay, well, I would have liked to also show you his appendix, but... as you can see we can't go any further." David said then. "Is this what I think it is?" Mum asked, not sounding so proudly anymore as a big fat dark brown turd came into view. "Yes, that must be his digested lunch from yesterday!" David chuckled and pulled the endoscope all the way out of my butt. "Hum... how do you feel, son?" Mum asked. "I'm fine! Thanks!" I said, still farting. "Okay, well, um, now that I'm sure you're in good hands, um, I have to tell you something." Mum said. "You wanna leave me here so you have some time of your own?" I asked. "Well, how do you know?" "Just figured..." "Hum... okay? Well, you may remember Greg?" "Um, you mean that guy I almost threw upon?" I asked. "Um, yes, well, you know, it seems he's a good candidate for becoming your step-dad, we've spent the weekend together and we decided to have some more special time for us to learn to know each other better, but this only works if I know you're in good custody during spring break." "Uh-huh?" I said. "You just want me out of the way, right?" David spoke up then: "Joshua, your mum and I sorted a few things out concerning you and she gave me the approval to take you with me on my farm in New Jersey where we'll gonna bring our study to the next level, while she's going on a vacation with... um... Greg was his name?" "Yes," my mum said. "Uh-huh?" I said being pissed off. "You go on a vacation while you leave me here as test subject?" "Well, David told me that it is essential to go on with the study, even over spring break, and that you're right now on a special diet I shouldn't interfere with or the study is useless. Also, you're going on a vacation, too! You've never been outside the city, you've never been on countryside, I thought you'd be jumping for joy!" "And where do you go together with that guy?" I asked. "There is this last-minute offer to Acapulco and we're about to take it, but that means we'd leave already in the morning." "Tomorrow already? Oh, that's nice, I think?" Now I really was pissed off. Not about that she wouldn't take me with her, but that she didn't care about me at all! "You have your schoolbag still here, right?" Mum asked and I nodded. "Okay, I'll pack your suitcase with everything you may need, and David offered that his assistant is gonna pick it up at home after his shift." Mum said. "Is that so?" Nathan asked chuckling. "Oh, yes, um... Nathan," David stammered, could you please take a little detour to Abbot's on your way home and get Joshua's suitcase? That would be nice! You can use my car." "Sure!" Nathan said. "Brooklyn is totally on the way from Downtown to Upper East Side, sure!" he sounded a little sarcastically. "Well, thank you Nathan!" Mum said, and then she turned to me again. "I know David and Nathan will take care of you well." Mum said. "Now give your mum a hug, I have to leave now, I still haven't packed for myself!" She hugged me and said "See you in two and a half weeks! Be a good boy and behave yourself!" and then she just left. David and Nathan accompanied her on her way out. I was lying there in E3 and tried to process what just happened. What mother would leave her ten-year-old son behind while going on a vacation? My mom was such a bitch! But on the other hand, I rather would have done anything else in the world than go on a vacation together with her and this weirdo Greg. The more I was thinking about it, the more I liked the prospect having her out of the way for more than two weeks and to do all the things David and Nathan probably had in store for me. As David came back into the room, I asked him "How much did I cost?" "I beg your pardon?" "How much did you pay her? How much I was worth for her this time?" "Well, thirty-six-hundred dollars." David said then. "I'm getting quite expensive for you, don't you think?" I said sarcastically. "As I told you, the NIH sponsors this study!" David said. "So, my mother just sold me to the NIH? How can a mother sell her son like this?" I asked and my eyes got watery thinking about this, then I added sobbing "She doesn't love me!" "That's not true, and you know it!" David said. "Well, who cares?" I said. "You were here, just a few minutes ago, when I told her how painful this study can be, okay, that was a lie, but she even witnessed it! And what did she? She didn't even care! So... fuck it! I hope she's getting happy with that ugly guy! I rather spend my time with you and Nathan, and with the study!" "Um, I don't know what to say..." "I told you, fuck it!" I cut him off. "So, why don't you tell me some more about that farm of yours? And by the way, why didn't you tell me you own a farm? And, um, why the hell a doctor from New York City owns a farm in the first place?" David was chuckling "Well, I got to that farm through Nathan. I never intended to own a farm, but some years ago I needed a new shelter for my horses, and then Nathan came up with an idea, a friend of his, a farmer in New Jersey, needed some financial help, so one lead to another and long story short, I bought the farm to have shelter for my horses. It's just a win-win-situation. I give money to support the farm and they supervise my horses when I'm not present." "You... you have horses?" "Yes!" David said. "And on Saturday you're gonna see them!" "Wow! I can't wait!" I said. "Am I gonna ride on them?" "Did you ever have ridden a horse?" David asked. "No, never!" "Well, I can give you some riding lessons," David said, "but don't expect too much within two weeks." "Okay? I can't wait!" I said. "Are you gonna tell me more about your farm later?" In that moment Nathan entered the room carrying a feeding syringe containing my `lunch', a BM01 this time, and David said "Nathan can tell you way more about the farm, he grew up there!" "Oh really? You're a country boy?" I asked giggling. "Well, kinda." Nathan said. "Why don't you tell him everything about the farm while you feed him?" David said. "I'll get our meals down here, so we can talk while having lunch." "Well, where should I begin?" Nathan asked after David had left the room. "At the beginning?" "Smartass!" n# giggled. "Open your mouth!" As he pushed the hose of the syringe down my gullet and fed me slowly that BM01, he began to tell me about the farm: "The Green Wood Farm, named after its founder Willem Greenwood senior, is nearby a small village in Sussex County, New Jersey. As David already told you, I grew up there together with my brother Nick, back then the farm was just across the street from our parent's home. In summers, at harvesting seasons, everyone in the neighborhood helped out there and well, for most kids of the neighborhood the farm was their adventure playground. Some years ago, the Greenwoods built a new farm on a more secluded area outside the village, and by now, Kevin Greenwood, the Grandson of Willem senior runs the farm." I felt so full after Nathan had fed me, shortly after he was done, David came back, carrying some boxes with Chinese meals. As they were eating, Nathan told some more about the farm, that his brother still lives there, that he's the farm's chef and that I surely would love his cooking. Nathan told me about the animals they had there and described the landscape, that there was a creek and a pond nearby, and a river and a very secluded lake some miles away from the farm house, where I could go swimming if it's warm enough to do so. I got excited and couldn't wait to get there. "What about your horses, how many do you have?" I asked David. "Four. All stallions." "Cool, and we're gonna ride out on them?" I asked. "As I said, you have to learn how to ride first!" David said. "Okay, well, it seems I'm gonna stay here overnight the next days, so what about I take some riding lessons here, right now?" I asked grinning. "Not on your horses, but on... um... you?" David giggled and said "You never get enough, do you?" "Don't blame ME! Blame yourself!" I said laughing. "So?" "I'm still a little bit worn out from this morning." David said. "But feel free to go to E3 and ride on your favorite dildos. You need some physical exercise anyway! We can't leave all the workout to the machine!" he said grinning. "Are you gonna do more gastroscopies on me?" I asked. "Well, I looked through the results from this morning, and I think it's enough if we do one every two hours, and when the day is over, you'll be done with gastroscopies for the time being." "Okay, but what about colonoscopies?" I asked grinning. "You love colonoscopies, don't you?" Nathan asked. "Yeah!" "All right, follow me to E3!" David said and got up. "Really?" "Yes! Now come on, before I make up my mind!" David said. "Okay, well, and I go upstairs to put our patients off till you're coming up, David!" Nathan said chuckling. It didn't bother David that I was playing with my cock while he performed another completely unneeded colonoscopy on me. He impressed me even more as he took my cock into his mouth and sucked on it while he was moving the endoscope through my guts. As Nathan mentioned, I loved colonoscopies by then, but this was the best colonoscopy ever. David even swallowed a little bit of pee of mine I squirted in his mouth when I came. Before he left me in E3, he put some dildos on the cupboard as also enough lube, and told me to have fun, but also that I should be careful. I put all the dildos on the floor in a row, beginning with the smallest one, lubed them all up as also my butt, and then I began to ride on them. My little cock was throbbing and leaking precum like hell as I was riding on the bigger ones, but I couldn't get it hard anymore, which bothered me a little bit, but my focus was on my butt and not on my cock anyway. It seemed to me that I came way too much already that day, but I couldn't get enough having something huge up my butt. As I was riding on that big dildo, the one with globes, one thicker as the other, which's four-inch-globe had hurt my sphincter, I only sat down on it until the three-inch-globe disappeared in my butt. After the next gastroscopy performed by Nathan, I was really worn out and decided to chill in my room on the couch, watching a movie, but with the inflatable plug in my butt. When I needed to pee, I went to the bathroom, got into the tub and peed all over myself, and since I was on that special diet, I tried to drink as much as I could. Right before dinner time Nathan performed the last gastroscopy on me to be sure my stomach digested well. David then also performed a colonoscopy again on me, but this time he couldn't go very deep because my colon was almost full. For dinner they fed me a BM05 with the feeding syringe, shortly after that I had to take a monster dump. It took me more than half an hour to empty myself and of course I did it into the bucket of the toilet chair for to store it in their lab. After that, Nathan left for home and ick up my suitcase at my home. I begged David to do another colonoscopy on me, just to be sure that my colon was empty. It was empty, more or less, but it wasn't clean of course, many little brown lumps were to see on the monitor, gluing on my colon walls. David then told me to go to the bathroom and clean myself, inside as outside, so I wouldn't make a mess later. He said, he had some more plans with me for the evening I may would like. In the meantime, he would clean up the colonoscopy machine and E3. Excited, I went to the bathroom, got into the tub to take a bath and do some enemas while bathing. I wasn't done yet as David entered the bathroom, it didn't bother him anymore as also as it didn't embarrass me anymore, that he saw me lying in the tub in filthy water, dirtied by my own waste. "Open your mouth and close your eyes." He said, and as I did, he peed on my face. I was loving it! I drank down a few mouthfuls of his warm pee and when he was done, he undressed and went into the shower. I pulled the plug out of the drain and spilled my butt out one last time with the anal douche to be sure that only crystal-clear water came out. After spilling the tub out, I got out of it, went over to the shower and asked "Mind if I join you?" "Not at all, come in!" David said. He began to wash my hair after I stepped in, then he scrubbed my back with the washcloth and then his ands and the cloth washed all over my body. For the first time since the colonoscopy by noon, when David also had sucked my cock while performing it, my cock got rock hard again. David took the shower from the holder and spilled off the soap out of my hair and the rest of my body, then he washed my hair again, and as he soaped it up, I sank to my knees in front of him, sucked his cock into my mouth and as it slowly grew hard, I swallowed it down my throat. "Whoa, Joshua! You're becoming a real pro in this!" he moaned as his hands washed my hair. I enjoyed it a lot to give him something back for all what he had done for me over the day. After he spilled the soap off my hair with the shower, he had to push me away to stop me. "I'm sorry to have you to stop, but I don't wanna cum yet, as I said, I have some plans for us tonight!" he said. "Like doing another colonoscopy to be sure my colon is nice and clean?" I asked grinning broadly. "Argh, no!" he said chuckling. "I've just cleaned the machine!" "Oh, please!" I begged him with puppy eyes. "The machine won't get messy, I'm clean!" "I'd have to clean it anyway afterwards." David said. "It has to be cleaned up and disinfected after every examination. You wouldn't like being infected by germs from another patient, do you?" "I'll help you to clean it up, I promise!" I said begging. "Please, David!" "Hum... all right then..." "YIPPEE!" I shouted and jumped up on him. "Whoa, hold your horses!" David laughed as he caught me in his arms. "Well, I wanted to go with you to E3 anyway before we go to bed." "To do what?" I asked. "You'll see! But now, you'll get your colonoscopy first!" He said. We dried each other off and went to E3, where I hopped on the chair again. David powered up the machine and pushed the endoscope slowly into my anus. "Shall I send your mother a copy or the recording?" David asked chuckling "Now that your colon is nice and clean?" "The machine can record this?" I asked. "Um, yes, we're recording every colonoscopy, as also every gastroscopy!" "Really? How cool is that? So, I could watch for example the first colonoscopy you've performed on me weeks ago?" "Um, well, the server usually deletes the files after thirty days." David explained. "Oh, so sad..." "But in your case, we saved the video files of course, because of the study, for comparison, you know, to see what progress you've made." David said smiling. "Really? That's so cool! Can we watch them?" "Later, maybe, let get this done first!" he said. Steadily he shoved the endoscope deeper and deeper into my butt. I tried to squeeze my anus shut to keep the air inside me which was used to slightly pump up my colon as the endoscope went deeper and deeper, this was such an amazing feeling. "You did a pretty good job!" David said as the endoscope reached my appendix. "All nice and clean!" "Oh David! You can do this all day and night!" I moaned as he slowly pulled the endoscope back. As the tip slipped through the curves at the end of my ascending colon, and yes, I knew by then how every part of my large bowel was specified, I could feel it on the right in my upper belly, I moaned "Oh yeah! Please push it back in a little bit again!" "You're so crazy!" David chuckled, but did as I asked. And he did more. First, he kissed my balls and then he sucked on my cock again, while he had his eyes still on the monitor. Then he did something which drove me totally crazy. I could see on the monitor, how he pulled back, the tip of the endoscope with the camera went back through the curves between my ascending and my transverse colon, through the curves at the beginning of my descending colon, and then he pushed the endoscope back in until he reached my appendix again. Next time, as he pulled back, he did it until the endoscope camera was already in my sigma colon right before my rectum, before he pushed it slowly back in all the way to my appendix. "WHOA FUCK! DAVID!" I moaned out loud. "Yeah, well... Fuck is maybe the right word! I've never fucked a patient with an endoscope before!" he said giggling and took my cock back into his mouth. I was farting like hell because of all the air in my colon but this didn't bother him as he drove me crazy by pulling the endoscope almost all the way out just to push it back all the way inside me. He repeated this a few times more and soon I felt a dry orgasm rising. David seemed to sense this as he stopped sucking on my cock and pulled the endoscope all the way out. "NO! Please! I was so close! Please don't stop!" I begged. "I know you were close," David said. "But now it's time for your first riding lesson!" "What do you mean?" "Just what you've suggested by noon!" David said as he rolled the colonoscopy machine aside and put the endoscope into the sink for cleaning it up later. "Wait here!" he said and left the room just to come back a few moments later, carrying all kinds of belts. As he put them all on the desk I asked "What's that? Are you gonna tie me up again with this?" "Um, not exactly," he said. "These are the most important parts of a riding equipment. Bridle, rein and stirrup irons. It was Nathan's idea to do some adjustments to it so it would fit on me." "Okay?" I said giggling, watching him how he held up the bridle and slipped his arms through it. "I need your help." He said then and turned around. "Buckle it up on my back!" I took the loose ends of the bridle and buckled it up as he told me and when I was done, the bridle was bound around his neck and his shoulders, and the rein was hanging down from his chest in front of him. Then he took a broader belt to which the stirrup irons were attached to, and buckled it up around his waist, so the stirrups were hanging down from his hips on either side of his body. "You look pretty funny like this!" I said giggling. "Well, riding is a very serious thing, and you have to learn how to... um... steer a horse, how to handle it, so, come on and mount your little pony." David said as he laid down on his back on the exam chair. "Oh well." I giggled. David's cock was rock already as I put my left foot in the stirrup and mounted him. When I had my right foot in the other stirrup, I stood up, reached behind me and as I lowered myself down on him, I guided his cock into my butt. "Oh yes!" I moaned as David's cock was balls deep inside me. "Take the reins!" David said, and as I did, he said "No, not like this," and he showed me how to hold them right. He had his feet still on the floor and began to move his hips slowly up and down to simulate a slow walking horse. He gave me commandos like "head straight and still", or "back straight, knees inwards, go with the horse's movements" and such. I was concentrating so much to his words that I almost forgot about his cock in my butt, but then he told me to shout "GIDDYAP!" and after I did, he moved his hips as fast and as hard as he could to simulate a horse's gallop. "OOH-HOO-HOO-HOO YEAH!" I shouted as he was fucking my butt with vengeance while I was holding the reins tightly. "YEEHA! Faster! Harder!" I got stick to the `saddle', his hips, because of his cock. My first `riding lesson' was so hot and I enjoyed it a lot, I could have spent hours like this, riding on his cock. We did this for about twenty minutes or so, until David was about to cum. He rose up, held me tightly, got up and laid me down on my back on the exam chair. I put my legs on the leg rests and let him fuck me deeply some more, before he pulled his cock all the way out and walked around to my head. I opened my mouth just in time as he served me his protein shake as a delicious dessert to my dinner. My butt felt empty, so I asked "Can you connect me to the machine some more before we'll go to bed?" "You'll never get enough, do you?" he said, still breathing hard. "Hum, I was so close again when you fucked me, I wanna cum, too!" "Okay, well, how full is your bladder?" David asked. "Not that much, I think. Why?" "Then go get something to drink while I clean up the endoscope." David said. "But I promised to help you!" "You can help me with this first." David said pointing on his back. As I unbuckled the bridle I asked "Why you asked me about my bladder? Do you want another pee sample?" "Not exactly," David said, "but I guess you'd like to pee all over yourself while I... um... fist you?" "Oh fuck! Yeah!" I said excited. "Then go! Get something for me, too, please!" I went to my room and got a bottle of water out of the fridge for me, and for David a bottle of his favorite lemonade. Back in E3 I helped David as promised, and he showed me how to clean and disinfect the endoscope properly, as also the dildos I had used over the day, all the while we emptied our bottles and filled our bladders. When we were done I already felt a slight urge to pee, but David gave me more to drink, not water this time, but his warm bladderful of pee. I drank down everything and didn't spill a drop. As I got comfortable on the exam chair and put my legs on the leg rests to expose my butt to David again, I asked "Can you tie me up like you did yesterday?" "Did you like it that much?" "Yeah!" "Well, it's getting late, and you have school tomorrow," David said, "we'll have to get up early because... um... I'd like to run some tests before you leave." "As long as it involves a colonoscopy I'm all ears!" I said giggling. "Or you just fuck me, I've never went to school freshly fucked." "Oh my... what have we done?" David asked, lubing his left hand up. "We've created a cock craving monster!" As David pushed slowly all his fingers at once into my butt, I moaned "Whoa, I'm not craving only for cocks, also for... hum... YES! For your hands! Oh fuck! Yeah!" David was sitting on this little rolling chair without arm- or leg-rests and was smiling up to me as he pushed his fingers deeper into my butt up to his knuckles. His thumb was still outside and with it he teased my balls as he was turning his hand slowly from side to side, stretching my sphincter to its limit. I loved it, but I wanted more, I couldn't wait to feel his whole hand, his fist, inside me, so I begged "Stop teasing me! Do it! DO IT, DAVID!" "Our Joshua... always so impatient!" he chuckled, but instead of pushing his hand finally up my butt, he pulled it out completely, took the tube of lube and squeezed a huge amount of it into the palm of his left hand. "Oh David, please! It's slippery enough! Push it in! Pleeeaaase!" He smiled at me with a mischievously grin as he lubed up both his hands AND his underarms up to his elbow. Then he put his hands together, splayed his thumbs out and pushed his fingers, all his eight fingers, into my ass at once. "OH FUCK! YEAH!" I moaned out loud, I was going crazy. He teased and squeezed my balls between his thumbs while he stretched my sphincter what felt like beyond its limit. I grabbed my cock and wanked it like crazy. David let me do it only for a few moments, but then he pulled his right hand out, slapped my hand away from my cock and at the same time he added his thumb to his fingers and pushed his left hand all the way inside me. "OH FUCK! ARGH!" I gasped as I felt a stitching pain, but after the thickest part of his hand, his knuckles, had passed my sphincter, it was literally sucked inside me by my rectum and my sphincter was embracing David's wrist. He didn't give me a single moment to adjust, instead he moved his hand around inside me, slowly but steadily, I had no clue what he was doing inside me, but it felt awesome. It felt like he had built a fist inside me with his hand, his knuckles rubbing over my prostate made my cock throb and it didn't take long that the first drop of precum appeared at my pee slit. David bent forward and sucked it off my cock. "Hmmm! How sweet!" he said. "Let's get more out of this!" "Oh gawd! David! You're driving me crazy!" "That's the plan!" he chuckled, and while he stimulated my prostate from inside, he took my little pecker into his mouth, sucking and licking on it. "OH FUCK! DAVID! STOP OR I'M GONNA PEE IN YOUR MOUTH!" "No, you won't! At least not as long as I don't allow it!" "OH GAAAWWWWWD!" I whimpered as he continued to suck on my cock. My bladder was really full by then, the urge to pee was huge and the pressure of David's fist on my bladder didn't made it any better, I had the feeling, I couldn't hold it anymore. `I've warned him', I thought, `he knows what he's doing', I thought. Being a doctor, an internist, he knew exactly what he was doing and somehow, he was squeezing my pee tube shut from inside, but this feeling compared with David's cock sucking was so incredibly awesome and was driving me crazy like hell. Sounds escaped my throat and mouth I'd never heard before. I put my hands on his baldness head and only in this moment I noticed some stubbles. Until then I thought he was just a baldness guy, that he had lost all the hair on his head like many other men his age, but to feel these stubbles made me wondering. `Did he shave his head on purpose?' But I forgot about this thought very fast as David went berserk inside my rectum with his hand, fist, whatever, and the urge to pee increased to an uncomfortable level. "David! Please! I need to peeeeeeeeeeeee!" I whined. "Okay, well, then we'll have to do something about this!" he said and I could feel inside me some movement as if he was stretching out his fingers again, then he said "I want you to push out with all the force you have! Now!" "OH FUCK! AAAARRRGH!" "Yeah! Come on!" I pushed out. David held against it with his hand. I needed to pee badly, but I couldn't. I stopped pushing as I was out of breath. "Oh fuck!" I moaned, breathing hard. "Do it again!" I pushed out again. David held against it again, and even more. He pushed his hand deeper inside me, inside my colon. A little bit of pee dribbled out of my cock finally, then it increased to a very little fountain, building up a puddle in my belly button, but all too soon I was out of breath and had to stop pushing out. "Again! Come on!" I took some deep breaths and pushed out again. David turned his hand inside my ass and pushed it even deeper, this released somehow his pressure on my pee tube and a stream of pee shot forcefully out of my cock and into my face. I closed my eyes, opened my mouth and drank down what I could catch. As I stopped pushing again to breathe, David stepped on my left side and with his hand deeply buried inside me, he lifted my ass up so it was pointing to the ceiling and my little pecker was aiming my face. "I think, this way it's easier for you to drink your pee." David said. "Now come on, push out again!" "Oh fuck!" I reached for my cock to aim it right and pushed out again. David was reaming my ass while I was pissing in my mouth. At some point David's hand reached a position where I hadn't to push out to pee anymore and my bladder was emptying all by itself. What didn't fit in my mouth I let flow over my belly, my chest and my face. When my bladder was finally empty, David brought me back in lying position. "Fuck! That was some awesome! Thank you, David!" "Was?" he asked chuckling. "We haven't even started yet!" "WHAT? Oh gawd!" I moaned as I watched how he added more lube to his arm. And then the real fun started. David was fucking me with his hand forcefully, he pulled almost all the way out, just to push it back in, through my rectum and into my colon. Unable to speak, I let my head fall back and starred at the ceiling while I was gasping, panting, whimpering, moaning with every move of his hand. And I got louder and louder. One good thing was that E3 was in the basement, because if anyone would have heard me, he probably would have believed someone is getting killed and called the police. I was loving it! I took my legs off the leg-rests, put my arms under my knee pits and pulled my legs up to my chest to expose my butt to David as much as I could. I would have shouted `MORE', `HARDER' or `DEEPER!' at him, but I couldn't, I could hear only screams and moans coming out of my mouth, so I reached for my buttocks with both my hands and tried to pull them apart even wider. "You want it harder, faster and deeper?" David asked then. I rose my head up to look him in the eyes and nodded. "All right, wait a second and you'll get it!" I was panting heavily as David pulled his hand out up to his knuckles so he could add more lube on the palm of his hand. As he pushed it back up my ass, I could feel the coolness of the lube deep inside me. David poured more lube on his underarm and suspended it with his other hand, then he pulled back almost all the way out, added more lube on his palm and pushed it back inside. He repeated it countless times, filling my rectum up with lube this way, pushing it deeper into my sigmoid colon, the so called `second sphincter', with each thrust. "Come on, let's see who's stronger," David said. "Tense your tummy muscles as hard as you can!" As I did, he tried to pull his hand out and said "Wow, your sphincter is pretty strong by now! Not long and you can call it bone crusher!" I felt proud when he said that, but I had to face that my sphincter muscles weren't that strong compared with David's strength. He pulled out completely. I lost. "WHOA FUUUCK! OOOUUUCH!" "Again?" "YOU BET!" David pushed his fingertips against my sphincter and I let him in. I tensed up my muscles again and he pulled out painfully. I lost again. He repeated this a few times, and after while he said "Okay, just relax, don't tense up your muscles anymore and let me punch your hole!" `Punch my hole?' I thought, but then I felt what he meant, he pushed his hand all the way in and pulled it all the way out countless times. Then he took turns with his hands, once he penetrated me with his left, once with his right hand. He even tried to get both his hands up my ass at once, but as it didn't work, he pushed his left hand completely inside my rectum again, but didn't stop to push it slowly deeper and deeper inside me. When his hand got stuck, he pulled back a bit, just to push it even deeper inside me. I was going crazy. I had my hands on my buttocks again, pulling them apart, and felt with my fingers how his underarm went in and out of my butt. "Next time we do this I should gag your mouth!" David chuckled. "You surely can be heard in whole Downtown Manhattan!" I would have liked to say `do it', but I was unable to speak again, I just shouted my moans at him. I would have liked if there was someone who would stuff my mouth and throat with his cock and pissed down my gullet, hell, in that moment I even would have liked if Louis would be this guy! With my fingers I could feel that David was almost elbow-deep inside me, and he was pushing even further, he was stirring in my guts just to find the right way to go deeper. I was really loud by then but I couldn't help. "GAG ME!" I managed to shout between my screaming moans. "Well, all right." he said. He slowed down a bit with reaming my ass, with his foot he unlocked the rolls of the exam chair and rolled me over to the cupboard with the drawer where all the ball gags and smaller dildos were stored. "Help yourself!" he said and went berserk in my ass again. With screaming moans, I opened the drawer, took the red cock shaped dildo out he had used on me the day before, pushed it into my throat and secured it with a ball gag which barely fitted into my mouth. As I saw the hand cuffs in the drawer, I took them, too, put my underarms under my knee pits again and cuffed them. "You're such a horny crazy boy!" David said smiling. "You love being at my mercy, don't you?" I nodded. David also reached into the drawer, took a smaller dildo out and fucked me with it, along with his left hand. My cock was throbbing and leaking precum, and as David began to lick it off and sucked my cock into his mouth including my balls, while he was splitting my ass apart, I was in heaven. All too soon I felt my dry orgasm rising, and as I came, I had the feeling that I shot a few squirts of pee into his mouth, even though my bladder was empty. David must have noticed, but he didn't stop, and I couldn't tell him to stop. I was at his mercy. I felt another orgasm rising, or was it like in the morning? Did my orgasm lasted forever? I didn't know. Chills of delight were sent through my body over and over again, and in that moment, I knew what it meant to get my brain fucked out. I can't remember how long it lasted, maybe only a few minutes, maybe an hour? I was lost in time... and at some point, I passed out. To be continued... 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