Really?
This was a reliable method for getting laid in college - particularly if the dude had just gotten dumped by a girl.
"Well, you know you don't need a girl to get your dick sucked. I won't tell anyone. It doesn't mean you are bi or gay... just relax...."
The only problem was when they came back for more and said "you know this is my first time with a guy" you had to pretend to believe them even if they'd cum in your mouth nine or ten times before.