Jo stops walking almost as soon as she'd started, because he can keep saying that and she can keep ignoring that he's saying it when he's actually going on about something she's decided he deserves hell for. This isn't. That doesn't make any sense.

"What'd you mean it's not yours? We were just up there."

This with pointing at the ceiling... which, okay, does look different entirely. But it's the Horizon. The bunker ceiling looks nothing like the Bar floor, and the ground outside that has to be covering the rest of it is unchanged. That doesn't mean anything.