Bisexual men exist, but I consider them to be gay men who date, get into relationshipa with or marry women.
Once a man has sexual attraction as well as sexual relations with other men, then they fall under the LGBTQ car...
My thing is.
I believe that people should live their truth. But, if a person is gonna straddle between men and women, then give people the courtesy of being transparent about their sexual orientation so they their prospective partners can decide whether to deal with them or not. It is a matter of health & safety...