Oh, Zemo instantly regrets his offer when he's out and the cold air hits damp skin. Bucky may run hot, but Zemo doesn't and the worst part of getting out of the hot tub is this part right here. Not being dry. He does take one of the towels to wrap around himself, gritting his teeth against the cold--

Well, long enough to step up to Bucky and slide an arm around him, leaning up to press a quick, fond kiss to his lips.

"I am still not sure how you do not freeze."