"Thank you." He grins easily, and then tries to back out of her reach when she makes to hit him, but he's too slow. "Ouch, Annabeth!"

He leaves the room grumbling, and shrugs into the rest of his fancy outfit. It all fits right, and glancing in his reflection seems to confirm that he looks okay. He'll be messing around with his hair when Annabeth comes out again, drying to get it to be at least somewhat dignified.