The endearment was enough to make his breath catch a little, unless it was the kiss, a reminder that he did actually have to breathe now when he didn't usually, or hadn't needed to before when they did this kind of thing.

The warmth of Charles' hands against his skin only deepened that indrawn breath, releasing again with a quiet, "Oh. Right." A flicker of a smile then, turning his head to nudge against Charles' once again, "Going to have to get that off on purpose." Judging by his tone, the half-hidden amusement in it, there was a good chance that he'd already been trying to just will the garment away as they usually could.