The best thing to do was to let Sirius scream out his rage. Remus, however, was past the point of annoyance. So Sirius was pissed at him, what else was new? "It'll wear off by Friday. Saturday at the very latest.
"And I thank you for laughing at me when I had a serious problem to contend with. If it was something ruddy stupid I wouldn't have cared." Remus shook his head. "You didn't bloody have to laugh, arse." Remus looked Sirius over, his mouth quirking up in a smile. "Besides... now I'm not the old professor anymore. You look the part."