Theo jumped at the sudden sharp tone and the hand against the wall curled in, coming to his mouth where he nursed at his fingers, the tone making him feel even more sick, tense, afraid and aggressive at the same time until it just became one big mess of feeling that he didn't understand or want. He wasn't sure what to say to the reassurances that came on the heels of anger, but he still lifted his hands to meet Greg's, even if he didn't make a move to move. "I can't leave." he said again, his voice hesitant and unsure in a way it had never, ever been at Hogwarts.