>>13786246men that fuck trannies, historically, say, in the 90s, 80s, 70s, were heterosexual men over the age of 40 who developed problems to keep get erections, impotence.
The general psychological idea is, they get fucked in the ass by trannies, because they can't get pleasure anymore with their dicks, so they do it with their ass. And they pick trannies instead of gay men, because they feel attracted to the women, not to men.