He hadn't expected any sort of elevator sex at all... or being stuck on an elevator really. But he can't complain too much about what he's getting. Those noises so close to his ear are a really pleasant distraction as he tightens his grip even more, moves faster over Constantine at that warning to stroke him through his release.

There's a curse under his own breath as he tips his head back, tries to look up and get a good look at him.