in one way, i can see that. but she's also a super nerd who's probably repressed, so she's probably into a lot of weird hot shit. she also has gotten an STD already, so she's not new to sex either.
i know people like her, they're usually into sex but they police themselves (and sometimes others) heavily because of what aspects of society dictate.
Now Nefcy, on the otherhand, is both into weird shit and not repressed about it. Bobby is a lucky man