Actually, survey after survey, study after study, questionnaire after questionnaire seems to point to the fact that most people are in fact Bi. In that they have had sexual experiences with both genders/sexes. They may not identify that way, but if you've had sex with men, and you've had sex with women - then you're bi. Even if it was only once. Even if you didn't enjoy it. I'd go even further and think that in lots of population groups people are pan sexual (in the older definition of being something more like omnisexual) in that they don't limit it to just humans of one gender or the other, but use lots of different things from vegetables to high-tech toys, Hitachi Magic Wands, and that pulsating shower massage, (men get porn, women get a WaterPik), their sisters/mom's panties - the list is only limited by people's imagination and dirty little minds.