Right, Jack thought, the Doctor's silence spoke volumes. He wasn't getting a re-invite, so he should just stop thinking about it. They might be getting on okay now- well, getting on well, it wasn't like they were just coping or anything, but it was just to make things easier, he told himself. It's not like they were friends or anything.

No, that thought even sounded stupid in his head. Of course they were friends. Once.

"Mmmhmm," Jack agreed, glancing up. "Doctor..." he said. Above them was a piece of plate glass, mirrored, as though it might be two way, as though there might be some sort of observation deck above. He thought of the interrogation room in the Hub and it reminded him of it.

"What do you make of that?"