Nothing.

I watch from a distance, see if he's really happy with someone else, and if he is... let him go.

Yeah, it's very, very, godawful hard to do. I know, cause that's exactly what I'm trying to do now.

"I'm not supposed to love u.I'm not supposed to care.I'm not supposed my life wishing u there.I'm not supposed to wonder where u are or what u do.I'm sorry I can't help myself.