You don't. Just as gay men cannot turn straight, it's the same for straight men; they cannot turn gay.
He's 100% striaght
be striaght
well it was lance but hes striaght now
oh, pretty striaght
It probably mean they are or they are just messing around. Of course, even some striaght guys may act in an effeminate manner. It is best to avoid using stereotypes to determine if someone is gay.
Because he is a gay man
A gay man is already a man.
You don't have this choice. If you are a gay man, you are a gay man. If you are a gay woman, you are lesbian.
Yes, a gay man can impregnate a woman because a gay man is still a MAN
Yes, he is a gay man. He like muscular man !
No, nothing can make a man gay except being born gay.
The average gay man is virtually the same as the average straight man.