I see... [no, not entirely, but he can at least fake it a little.] That's okay, we will hopefully have a chance to learn more about it once we're settled in.

[which likely means after they get onto the train and he's not looking forward to that, but listening to her explain it, considering the uncomfy feelings that'll come with lingering on the platform for too long, he'd rather not stick around long enough to find out.]

I'm not sure about this ‘train’ myself, although if staying here is worse, then I don't think I want to find out why.