When you really get to know someone.

It's alright to ask questions, to get an understanding of someone, in fact it's entirely necessary.
I asked you, and half the time you lied. But now I know the truth.
One doesn't necessarily have to know where someone's been to know where one will be going with them though, and honest to God, I wish I didn't know:
I wish I didn't know where you've been.
I wish I didn't know what you've done.
I wish I didn't know who you've fucked,
and I wish I didn't know who you've fucked over.
Because now I can't stop knowing; it's an ever-present thought.
I've never had respect for people like you, and now you say you're different.
How am I supposed to believe that? Am I really that worth it?
I've always said once a cheater, always a cheater and I don't think I'm enough for you when one person never really has been. You've got nothing to prove anything positive and you say time will show me your true colors but I don't know that time is on our side anymore.