The future's supposed to be a surprise, Sokka.

[She says that teasingly, mildly chiding. Okay, so she messed that up with Yue, but... she doesn't want to make the same mistakes twice.]

Oh, um. Satomobiles are... something my Dad built. They're vehicles, like-- a polar beardog that doesn't get tired, if that makes sense? I can show you sometime, they've got similar things here.