"Keep up all that touching and naked is going to happen sooner than you expected," the Doctor growled, working very hard not to grin his head off because - all right, he was admitting it - it was such a relief to be with a Jack he could stand to touch. Or, in this case, to be touching him.
A lot.
"You may have a point though about something a bit more fitted," he acknowledged, trying for casual and scratching his neck absently. "This is a bit big for me now. Have to have another look."
"Oh, and you've got a very nice arse, Jack," he said, and added, with a bit of a smouldering look, "But then, I've told you that before."