From time to time I do that and then he really blows up: "I guess I'm just a LOSER then! I failed! I made a mistake! I'm just an a$$hole!" This shouted while he paces around the room waving his arms.
My response to that would be something similar to..."No, I said WTF? But if those size 10 1/2 's fit, by all means, feel free to put them on." And then hobble off to get some of that Campbells chunky soup