"Potions class, eh? Mind if I watch? I'm just bored." Timothy smiled as he took a few steps into the room, crinkling his eyes a bit to make it look genuine, trying to put the girl at ease. She was holding herself, both blocking and soothing, was it possible she was trying to hide a secret or something? It would make sense for her to be quite nervous around authority if she were hiding a secret. He made sure his posture was open and nonthreatening.