I know all nine of them. [The planets, he means. He straightens a little, almost shrugging again.] Or is it supposed to be eight now? Poor Pluto, neglected for being small.

[But he listens to Cain's explanation, the far-flung idea of space colonies existing in different worlds. (He thinks he might've heard, in passing, the mention of a Mars colony in this one, too.) One statement sticks more than the rest: Doesn't look like I'll be headed back any time soon, and I'm fine with that.]

You've been here for a long time. Comparatively speaking, at least. But is that long enough for you to not care about returning?