The slang term is a "beard."
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 they can get married, and regularly do.
The slang term is Fish-Wife.
The man is called "closeted" and the woman is referred to has his "beard."
Yes she was a lesbian woman but she was married to a man
It is very possible for a gay man to be happily married to a woman, but something deep inside will always be missing for that man.
"Mistress" is the term for the girlfriend of a married man.
Yes. There is no existing law that says a gay man cannot be married to a woman.
A dishonest woman or an untrusted woman or a dishonored woman.
A jackass!
Yes, unless the man is completely shallow.