"Toasting. We do that on Earth, too." They don't have a glass, but they can do that once they get one. "Mostly we buried people, though, not cremated them. Guess that's harder to do in space." This tradition makes a lot of sense.

(Ask him more. I bet it'll help. YOU JUST WANT TO HEAR MORE ABOUT ALIEN STUFF.) Both of them have a point, honestly, and Soldat. "Were there people on your crew who had. Different traditions? That you know about?"