Ianto leaned into the nuzzle, not caring if it was a bit more affectionate than they normally got with each other. It'd been a long day, after all, and a lot of that time he'd spent fearing for his life, running, swimming, having some pretty mindblowing sex, or worrying about Sulu there. So a little extra affection was more than welcome in his books.

"Mmm," he said, before taking in a deep breath and pulling his mind through the fog it was descending into to think. "I think that my hair can survive without conditioner for now," he said. "But you and I would not survive passing out in this shower, and since it looks like that's where we're headed...yeah. It can wait." He brought his hand up to cup the side of Sulu's face for a moment, turning to press a kiss against his cheek, before resting his head against Sulu's. "We should get out."