Turns out there are three main reasons… 1. So why might straight men watch gay porn? We asked Radio 1’s resident sexpert, Alix Fox, alongside a raft of health professionals, ranging from doctors to wellbeing coordinators, for their thoughts. Perhaps more confusingly, 24 percent of “straight” men have actually had gay sex, while 36 percent of “straight” women have had sex with another woman, according to the survey.