He smirks with Ianto's words and presses a kiss into his hair, then gets a towel for Ianto to dry off with. "I'll be right back, cariad. Better take care of that."
There are some plain sheets in the drawers, nothing fancy at all and just shy of being scratchy, but they do need to get used sometimes when an actual live patient is on the bed. He pulls out a couple of the sheets and goes over to John. "C'mon, we can put one of these down as a drool guard. I'll haul you up if I have to."