sitting on a chair with him standing in front of me

speed up
I want him to moan while I cum

two or three times

shower
bathing is for relaxing, not for cleaning

by definition, no
sexual attraction to someone of the same gender is being gay
Or in the case of being attracted to both women and men - bisexual

Social stigma is probably the reason for people going: "I am straight, but I like having sex with men"
which is an oxymoron