The truth was, the threats gave him an oddly nostalgic feeling that almost hurt, a little. He knew what was expected, though, and rolled his eyes before placing a small baandage over the cut and then packing up the kit.
"I dunno, maybe actually seeing something that shouldn't exist licking human blood off its fangs managed to spoil the humor for me."
The rejoinder was mild, and only because he knew Dean was looking for it.