He follows by instinct. Say what you like about the bastard, Nate has a way of inspiring that in people. Or he's got nothing better to do and there's some kind of needling at the metaphorical periphery that suggests he really ought to keep walking, keep moving, keep doing something that isn't sitting down and thinking about where he is and what that means - one of the two.

"It's not that I don't trust you. It's that I've become a bit bitter and jaded; you know. The usual suspects and all that."