[He can tell that Elizabeth is still so preoccupied with her memories, and while he doesn't understand any of the diagrams papered on the walls, he knows they've upset her.

Thus it falls to him to sufficiently distract her from them.]

Come on, my friend-- eyes on our destination and not in the past. [Literally, and figuratively.] Or mayhap you could busy yourself with thinking of other things as I lead the way?