Maybe because a man has a dick ? yeah of course a woman can use a strap on but i dont think thats the same as having a dick inside hmmThat doesn't really make sense. Most (not all) gay men enjoy anal, but they wouldn't do it with a woman. So why would a man who enjoys anal with a woman also want to do it with a man? That's like saying any guy who enjoys getting oral from a woman would be equally happy to get it from a man. Sure, some would, but most would not.