One thing I hear people say a lot (about dating bi women) is that they feel that they would be MORE upset if their bi-partner were to cheat on them with a man, than with a woman. What an odd statement... Why would that be? It's still a betrayal either way... But thinking about it, it's not really about biphobia. It is about heterophobia. When a minority group, like lesbians, feels shunned, there is a need to pull together. There is solidarity amongst those who have gone through the same thing, and have become outcasts in the same way. We band together as a team. Suddenly, there is a subtle current of US vs. THEM. Sure, lesbians have straight friends. They don't consider straight people 'evil'. And yet, this attitude of us vs. them persists. It makes sense in some ways. After all, it is homophobic straight (and sometimes not straight) people who prevent lesbians from obtaining certain rights, and ostracizes queer people... So it's easy to see where this aggression, this push back, comes from. But in the end, we all suffer. Biphobia is about the fear of the OTHER SIDE. The OTHER TEAM. I mean, look at that terminology. Team. You're either on the Gay team, or the straight team. You can't pick both, so how DARE you have even an inkling of straightness in you. Just my take on it.