HP

Harry is very stressed about a Quidcht match, and on top of that, the Triwizard Tournament. You play a joke on him, telling him you were going to be at the lake task, but you weren't actually there. Harry almost ran out of time looking for you, and when he saw you coming out of the lake, he angrily refused to speak to you. Now you had stopped him in the hallway. "Can you move?"