I said. I pushed my left one up, showing four bruises, dark as ink spots. Simon paled. He rubbed his mouth, still staring at my arm. Simon's eyes widened, then he lowered his lids to hide his surprise. Derek's voice preceded him around the corner. I shrank back. I couldn't help it. As I did, a look passed through Derek's eyes. Remorse? Guilt? He blinked it away.