Make a game of it...<br />
Say ' hands up whos not gay' .. awkward silence.. presto
Marry a lesbian in the same situation and have lovers on the side.
"You know I'm gay, right?"
Hi dad... I'm gay.<br />
BTW, they probably know already. Parents aren't blind and stupid.
You know how a lot of parents worry about their son getting a girl pregnant..... guess what?
You may or may not know this but I ( then say what you got to say)
"I'm gay. Lol, burn on me! But seriously, I enjoy women sexually."