"Ah, OK. I think Minerva-sensei told me about it a little." He should have seen this coming, but didn't really think about it. Alchemy has been as natural as breathing to him for too long and it's still a shock to be having trouble with it. "I'll try, but... I'm having some problems with it since I've been here. Minerva-sensei is helping me with it." He kneels up, making sure his towel stays put. "Have you got something in your pocket? A rock or something? Piece of paper?"