Tim: I feel like I'm gonna be single forever..
Ava: What happened?
Tim: Nothing. 
Tim: I've been thinking. 
Tim: And in my opinion, I just wasn't born to be in a relatioship.
Tim: Or maybe I'm just having a bad day. 
Ava: Why do you think you're not good at relationships?
Tim: I don't know...
Ava: Maybe an example?
Tim: For example, I'm always placing sb's else interest before mine... 
Ava: That's not good, you're right. 
Ava: But it's not the end of the world either. 
Tim: Maybe...
Tim thinks he's not good at relationships. He's always placing somebody else's interest before his.