"Good," Jack nodded and took the strap back, reattaching it eagerly to his wrist. He felt better as soon as it was back. He felt a little more protected. A little more himself.

He followed the Doctor's gaze and concentrated to remember. His room, where was that? It tired him to remember.

"It moved," he said with a frown, "recently, I think. It's... just up the stairs. Three along. Yeah, pretty sure that's right. Guess I'll find out soon enough."

He stepped along the corridor and paused, turning back to the Doctor, "If anything happens, if you need a hand, just knock."