[He opens his mouth and then closes it without saying anything. Those baby blues get awfully wide before he grimaces, trying to process any of that.]

That sounds. Um.

[Impossible, but that's not what he ought to say, here, that's not polite.]

Diiissssruptive? [Nailed it.] Do you guys really live underground? I-isn't that, I don't know, like, awful? Terrifying? I'm feeling claustrophobic just thinking about it.

[He shivers and rubs his arms.]