Depends on your situation.  From what I can tell, gays are fairly "outlawed" here, at least around young adults.  So if you're gay, you'd probably want to keep it secret from your friends.
I don't think this is amongst the internet, but only amongst your IRL friends.
And most teens or people around that age only seem to ever care about "having a life" (which, from my understanding, is primarily based around friendship/relationships and sex life).