"Oh goody!" Lily grinned. "Alright, so here's the deal. may have heard that there's a new market that just... uh, exploded recently in terms of a new substance called 'Cowper's fluid.' This liquid goes by other names, are probably familiar with it being called 'precum.'
"Anyways, this liquid is very highly prized as it is now being used for all sorts of very expensive procedures and projects. It's *very* rich in stem cells, and so it's *incredibly* valuable.
"However, there's a catch. The best stuff contains no sperm, meaning that it contains no ejaculate within the fluid as it's extremely hard to separate. So that means even though chastity is much more mainstream than before, there's only a few candidates that qualify - like, well...you!"