Tony: His way of escape was always his backup plan. Gibbs thinks he was wearing a vest the whole time.
Kate: He was. I...I felt it.
Tony (walks over to Kate): You felt it? Well, how close did you get to feel it? Close enough to touch him, did you touch him with your hand or-
Kate (interrupts): Close enough to stab him with a knife in my hand.
Tony: And you didn't?
Tony: Stockholm Syndrome?
Kate: Tony, you can't bond with your captor in a couple of hours.
Tony: I don't know, maybe it's like falling in love. It can happen (snaps fingers) like that.
(Scene ends with Kate and Tony just staring at each other)