Elli, I read a study a long time ago and basically it said that the vast majority of bi males were actually gay. That eventually most of them went to men only.
As for women..well, I will probably be blasted for this...but I think for a lot of women who have sex with other women, they are not actually bi but straight. They do so because it is socially acceptable and in this day and age it is even encouraged.
Heard an interview on the radio with a porn actress who said she is not bi, in fact has never had sex with a woman off camera and that many woman in the industry are the same as her. I am sure her exerperiences, like many others are enjoyable with other women but as for being sexually attracted to them in the same manner as men, no...they aren't.
Of course many will claim that "all women" are bi but I think that is just wishful thinking
