Jack opened his mouth to comment on the Doctor's trickery on the Master, but he swiftly closed it again when the Doctor went on.

He shifted again, turning his head to look at him a little more straight on.

"Huh," he said, intrigued as he looked at him. It didn't escape his mind completely how familiar that concept was. How he felt for Gwen could quite easily squeeze into such an ideal. But this wasn't about him and Gwen, it was about him and the Doctor.

"So show me then."