"American what? No, nothing of the sort. It said, "When all is fated and all is done... ye must choose your faces wisely." And then he racks his brain for the rest. "For ye will soon be playing with fire," or something.

Then he gets distracted once Crowley's taken off all his armor. "Lord, is there something wrong with your leg? It's looking a bit swollen, I could've sworn I just set that, can I take a look at it?" His healing powers are usually pretty good, he can't imagine why they wouldn't work.