He looks briefly skeptical. Draco’s fond of his robes but- well, Billy did just say he’d look hot, he can hardly see how that would be a bad thing. Flattering his vanity tends to be extremely effective. “I might consider it...”

And he may in fact miss the warmth when Billy moves off to the bed, but he’s quick to extract what he needs.

“It’ll be better when we get to the bit without the clothes,” he muses. With a couple careful flicks most of his buttons are open, and Draco shrugs out if the majority of his layers... though he can’t quite seem to stop watching Billy either. He might be a little impatient, even despite his best efforts.