What's a good inconspicuous question to ask if you want to figure out if someone is a closeted homosexual or bisexual

>>81868512 (OP)
Why are you gay?

I am sure this one has been said before...

ask if they like the opposite gender or not
i am a fag and would always freeze up at that and not know what to say because i didnt want to lie but i couldnt be honest because then id be a faggot