"Wasn't really the first trip that was, uh, difficult." He doesn't exactly mime air quotes, but his pronunciation is close enough to Erik's to make it clear he's using his word.

"It's that ... I grew up on a train. Cause it was the only place on our world anything could live. Everything else froze over when I was a baby."

He's looking out the window rather than at his fellow passenger, like he doesn't want to take his eyes off the green world outside.

"First trip on this train was the first time I've been on one since."