Prolog: The following story is of course fantasy. Do not expect this service on the British National Health Service as they do not provide it.
I had recently gone on a vegetarian diet and made myself very ill. I went to the doctor and he said I was suffering from a protein deficiency by cutting out meat. I should be replacing this with meat substitutes, but I had just been eating vegetables.
My doctor was a handsome guy in his early 30s, clean-shaven, blond. He said he was going to recommend I go to a special hospital for vegans and vegetarians where the doctors would put them on a high-protein diet. He said it was a very unusual diet, and only suited for open-minded people, and asked if I was willing to try it.
I said I didn't know what it consisted of. He said it meant consuming semen, which was high in protein. As I am a gay man, I told him I have performed oral sex on other men to climax many times, but as I'm now getting on in years the opportunities to do so have declined somewhat.
The doctor smiled and said: 'Some of us prefer older guys. Especially ones without their own teeth, which can mean a more comfortable fellatio with no danger of the penis being bitten.'
The doctor said I should really have my first protein injection right now, and he asked me to remove my dentures. I did so, and he stood up in front of my chair and unzipped his fly. He brought out a nice circumcised cock started wanking it. I got turned on by this naturally, but also by his clinical language as he described what he was doing, what he was about to do, and what I should do.
'Now I am stimulating my penis to maximum erection, Mr Forbes,' he said as his cock stiffened to a full 9 inches, long and smooth. 'Now my penis is fully erect I shall insert it into your mouth, but first observe the clear solution at the tip, commonly referred to as pre-cum. You may lick the head of my penis, Mr Forbes, and remove this rather sticky substance, you'll find it has a pleasant flavor. At least my wife loves it. It will give you a foretaste of what my semen will taste like when I climax.'
I leaned forward and licked a big glistening glob of pre-cum off Dr Richard's cock, he was right, it tasted delicious. Lucky wife!
'Now please open your mouth wide while I insert the full length of my penis. I'm sure you are well practised in fellatio, so I need not instruct you how to do that, but I have to with some of my patients,' said Dr Richards. So he had fed other patients his load as well.
I was going to remark on this, but his cock was already in my mouth, tasting nice and clean, and my mother had always told me it was rude to talk with my mouth full. She hadn't said full of my doctor's cock, but that is what I had at this moment as I started to give him a blow-job.
'That's right, Mr Forbes, stimulate my erect penis by sucking and with your tongue, but as it nears climax keep the head of my penis away from the back of your mouth if you wish to taste my protein-filled semen when I ejaculate. I assure you, my wife and my other patients all say that my semen tastes delicious', he said. 'Some patients who moved out of the area ask me to send them my semen regularly in a bottle, which I am happy to do for the normal prescription charge. You will be exempt from that of course, due to your age. They collect the bottled semen direct from my office as the local chemists refuse to stock it, which is rather tiresome.'
I was sucking his cock like mad, as I hadn't given anyone a blow-job for over a year, and as I looked up at his face I could see by the fixed look in his blue eyes beneath his corn-colored hair that the young doctor was about to shoot his sperm into my mouth. His face had a look of sheer lust as he gazed at his computer screen, where I could see a straight porno film was showing. The doctor was imagining he was being sucked off by the nubile young female in the movie.
'Oh, oh, I am about to ejaculate directly into your mouth, Mr Forbes,' Dr Richards cried, as his cock stiffened and trembled slightly in my mouth. 'Keep the head to the middle of your mouth for the full flavor.... oh, oh, ooooooh!'
Dr Richards shot six thick spurts of spunk filling my mouth with a sweet tasting thick cream. It truly was the most delicious cum I'd ever tasted.
'How do you like the flavor of my orgasm, Mr Forbes?' asked Dr Richards, as he withdrew his cock and did up his flies. 'Swallow it slowly, it has a thick consistency. Let the semen glide down your throat, it's full of the protein you need.'
I could not believe this filth had just happened in the doctor's surgery, but there was more. He was sending me to a hospital where I would get much more of this. The doctor himself visited daily, he said, and other young doctors also donated their sperm for the patients there, who had to be fed semen at least 10 times every hour. There were not enough doctors available to provide this amount of sperm, Dr Richards said, so they asked for volunteers from the uniformed services - soldiers, sailors, airmen, policemen, firemen - in fact any young men who had lots of semen which they needed to ejaculate several times a day. They had also recruited cadets from a military academy, and US marines who worked at the American Embassy.
I could not wait to visit this hospital, and later that day I arrived. I was led into a room by a young doctor in his late 20s with dark hair and a tanned face. He told me to sit in a chair, and he undid his doctor's coat and his shirt to reveal a tanned, smooth body which smelt of an expensive fragrance.
'Do you like the aroma of my body,' asked the young doctor. When I nodded 'yes', he said, undoing his doctor's trousers and taking out his cock, 'Then you'll love the taste of my orgasm!'
In a few moments the young doctor filled my mouth again with a big load of lovely tasting sperm, which I gulped down ravenously.
The doctor told me to wait there and I would be fed again in a few minutes. Imagine my surprise when one of the US marines walked in, dressed in full uniform.
'Hi, I'm Randy,' said the gorgeous young marine with close cropped hair and wearing the regulation white cap, white t-shirt and light khaki uniform. 'I've just come over from the Embassy in my lunch hour. Open your mouth and I'll feed you my load!'
The young US marine smelled strongly of soap, and his cock tasted delicious. He shot a big load of cum into my mouth and as I swallowed it down he said: 'That's pure all-American US Marine cum, sir! The freshest cum you'll ever taste!'
He left and another doctor came in already jerking his cock. This doctor was a redhead, aged about 40, but very handsome. He didn't say a word, just came over and rammed his big cock in my mouth and spunked in it, then left. He was followed by five other doctors in their twenties and thirties who all did the same, just came in already wanking, spunked in my mouth and left without saying anything.
Then a policeman in uniform came in, wearing his short-sleeved white shirt. He did speak: 'Open your mouth, sir, I'm going to ejaculate into it.' I obeyed of course, and he stuck his nice policeman's truncheon into my mouth and soon filled it with a big load of police spunk.
'You've just sucked off an officer of the law. Now swallow all my cum. That's right, sir! Swallow it all down, it's good for you' he said and then he too left.
After that a young male nurse came in, not more than 19 or 20, with light brown hair. He had a plate of food. 'Here's your lunch,' he said, placing it on a tray beside me. As I picked up the knife and fork and was about to start eating, he said: 'Wait a minute, you must have some protein with this vegetarian meal'. He unzipped and wanked off all over the vegetarian lasagne. It was covered with the young man's thick spunk, like a thick white sauce, loads of it! 'There, a nice tasty white sauce for you to add to the flavor of the pasta' he said, sneering as he left.
After I'd finished the pasta, another young male nurse came in, this one with a shaved head aged not more than about 18. He brought a dessert, a kind of pink instant whip, but before I could start to eat it he was joined by another young male nurse with brown hair, also aged about 18, who brought a cup of black coffee. Then the two young men took out their cocks and started wanking each other off. I could smell the musk of their scented teenage bodies. They kissed in front of me, then as they groaned in ecstasy they reached the climax of their lust for each other and they spunked one after the other. One shot his load all over my instant whip, and the other into my coffee. They then stirred both with a spoon so the spunk was all mixed in with the coffee and the whip, then they left saying: 'Enjoy the taste of our teenage orgasms, old man!'
This filth went on hour after hour, day after day for a week, till I was bursting full of young male sperm. After that my spunk intake went down, as I only had 10 young male NHS workers a day come in and feed me their spunk. They were all handsome, and the last one in the evening would jerk me off talking filth about all the different loads of spunk I had drunk today, calling me a dirty old man.
'But,' I replied, 'I'm only following my doctor's orders.'
'I know,' said Jay, the male nurse who'd just spunked in my mouth then jerked me off. 'He's a perverted young married man, but we don't care as the hospital pays us to spunk in their patients' mouths. It's all on the NHS for dirty old cunts like you, but younger patients have to pay for all the spunk they are fed.
I as so grateful I was on a 10-a-day spunk diet fed to me by gorgeous young men paid to do so by the NHS.