There are a few reasons why a a gay man would do this:
It makes no difference whether you are gay or straight, you flirt the way you flirt. There is no big mystery about it.
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.
A gay or lesbian family would be the same as a traditional family except instead of the parents being a woman and a man, the parents would be a man and a man or a woman and woman.
There is gay, straight, and bisexual. A man who dates a woman would be STRAIGHT.
You flirt back, but tell her you are gay.
Advice from his friends or on the internet there is plenty of websites out there just on flirting alone. But some will go ask the bartender of their local bar, questions on how to flirt with a woman. They would know how to flirt since they see it a lot.
Yes. A married man can either be gay and be married to another man, or a married man can be gay and be married to a woman.
Yes, a gay man can impregnate a woman because a gay man is still a MAN
no, a gay man only likes other men, a gay woman only likes gay wemen
No. A gay man is, by definition, a man who is attracted to other men. A butch woman, no matter how butch, is still a woman.However, If there is a man who seems gay and is attracted to a butch woman, he would be considered bisexual, and a bisexual or straight man could definitely be attracted to a butch woman.
No, but the woman that she became after transition is now a gay woman.
All one has to do to be gay is love, and be in a relationship with someone the same sex. Thus, a man would be in a relationship with a man, and a woman with a woman. Most people don't chose to be gay, it just happens.