The angel's enthusiasm only fueled Crowley's own, and soon he gave in to the urge, thrusting hard and fast, working to hit him just so, to make the Angel even more overcome with pleasure. It was everything he'd allowed himself to imagine, and he was already feeling close, hips starting to stutter with his attempts to hold off.
"Perfect, Angel. So good. Give in, dearest. Let yourself go." The words were thought, rather than spoken, Crowley's mouth currently on a path down Zira's chest, over towards one nipple.