Crowley grinned at Aziraphale's obvious discomposure, although it took a huge effort of will not to glance down to see exactly how discomposed he was. But smiling widely opened his lip again and the painful tug brought him back to the problem at hand.

"Maybe some ice would be helpful," he conceeded, ignoring the fact that he could heal it easily without the angel's help. Perhaps if Aziraphale felt guilty about hurting him again, he'd try to make it up to him somehow...