killmotion:

Peter: You should get home.
Olivia: What did he mean he saved me? What the hell was that?
Peter: He was messing with you.
Olivia: Well, I don’t know. I mean, did you see him? There was something about the way he said that.
Peter: The man’s insane, Olivia.
Walter: I concur, and in the category of ‘it takes one to know one’. That man did seem disturbed.