So long as he eventually gave the fucking jacket back, anyway.
The Doctor found the room he'd been thinking of and silently opened the door, motioning the Master inside. It was one he kept as a guest room. There was a bed and all the normal furniture but nothing else - except a shirt of Jack's hanging over the back of a chair from a recent occasion when he and Jack had been in the console room and hadn't made it all the way back to either of their own rooms. He scooped it up quickly and stuffed it in a pocket.
"Everything's clean," he said flatly, crossing to the tea-making facilities next to the seating area. "Bathroom's in there," he added, jutting his chin towards a door beside the wardrobe.