"Well...you are pretty fit," Ianto said in response, the tiny smile on his face morphing into a tiny smirk, before he shook his head, smiling again. It was pretty obvious to both of them that there wouldn't be anything even remotely along the lines as the usual things that two consenting adults got up to when all of their clothes came off. It really was just going to be an attempt to get Ianto warmer. Sulu was just going to be getting warmer in the process as well. It was cold enough outside for a warm bath to sound good to just about anyone, really.

Ianto lowered his eyes at Sulu's questioning, though, recognizing that the other man was being sincere with him there, and figuring that it wouldn't be too horrible if he allowed himself to be open back to him, just for a little while. "Honestly," he said, "the longer we wait, the more likely I'm going to end up falling asleep on you, so... Sooner rather than later would probably be the better option, here."