Don't forget dropping a career threatening reprimand on Harry just for a little romance.
Kim could have given the ship space herpes.
You're only allowed to bang members of a species after Starfleet medical has given the green light, or in the case of the Delvians, Humans are red lit, and shit out of luck, forever forbidden from tapping that.
It's a sensible rule, that everyone ignores, until their junk falls off in the shower.