He has never even kissed a woman, but 36-year-old Trent Arsenault is possibly the world's most prolific sperm donor, having fathered 16 children.
Now he has committed to donating his ultra-potent sperm to more than 100 families - and says he could have 'literally hundreds of children in the near future'.
The American technology expert, who brands himself has the world's first 'donorsexual' has even sworn himself to a life of celibacy to maintain his spectacular sperm count - despite often receiving propositions from women.
Hard work: Trent Arsenault, of Fremont, California, has donated fresh sperm to dozens of women
Mr Arsenault, from Fremont California, has a strict regime involving 'fertility smoothies' made of berries and nuts, regular exercise and wearing loose clothing, meaning his sperm is four times as powerful as the average man's.
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He told The Sun: 'I used to long to have a wife and children of my own. But the more I donate, the less I feel that need. So I decided not to fall in love or have children as that would restrict my ability to be a donor.
FIGHTING FIT: TRENT'S FERTILITY PROGRAMME
Stays celibate to avoid STDs
Avoids sunshine and gets up at 5.30am every day
Drinks smoothies of nuts, berries and natural sugars
Wears loose-fitting clothes to keep his testicles cool
Tries to limit donations to one per day
Avoids car fumes and electrical equipment near his genitals
'I still refuse to have sex because I don't want to risk catching a sexually transmitted disease. If I caught an STD that would be the end of my days as a donor.'
Mr Arsenault first donated sperm in 2006 after a lesbian couple saw an advert he had placed.He has gone on to donate to dozens of families, and 16 children have been born with three more on the way.
He is in regular contact with the families he donates sperm to and has even met four of the children he helped conceive.
His home donation method, where couples come to his house while he produces fresh sperm, has proved popular among lesbian couples, with one couple even flying out from France.
After he hands a woman his 'collection cup', she uses a syringe to inseminate herself in Mr Arsenault's home. Despite not having a day job due to the stress lowering his fertility, he refuses to charge for the service.
Fruit: Mr Arsenault's regime involves drinking regular fruit smoothies to keep his sperm count high
However, not everyone approves of the service he provides. Mr Arsenault's evangelical parents, have called him a 'sinner', and he is being threatened by the U.S. Food and Drug Administration threatened him with a $100,000 fine and up to a year in jail.
He was also outed for posting more than 100 lewd videos on pornographic websites of him pleasuring himself into cups.
Not all of the couples who have become pregnant thanks to his sperm know about his porn life, but he is not ashamed of what he does and said there is no need to advertise his extra work to couples.
Fathered: Mr Arsenault is only helping out childless couples who cannot afford to pay thousands of dollars to a sperm bank to become pregnant
Sleeping tight: Couples pick up the sperm from him and then one of the partners is artificially inseminated. They often send him photos of their children
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