It's very common for bisexual guys to prefer romantic relationships with women. And just enjoy guys more casually so to speak. I don't think it's some requirement he has to date a guy.Again he’s dating some wench, the least he could do is date a guy I mean come on he’s bisexual or so he claims, but to be honest he could be like me, romantically attracted to women and sexually attracted to men, so he could just enjoy dating women but getting fucked by guys