" You're my sister," he said finally. " My sister, my blood, my family. I should want to protect you" —he laughed soundlessly without any humor—" to protect you from the sort of boys who want to do with you exactly what I want to do." Clary's breath caught. " You said you just wanted to be my brother from now on." " I lied," he said. " Demons lie, Clary. You know, there are some kinds of wounds you can get when you're a Shadowhunter—internal injuries from demon poison. You don't even know what's wrong with you, but you're bleeding to death slowly inside. That's what it's like, just being your brother." " But Aline—" " I had to try. And I did." His voice was lifeless. " But God knows, I don't want anyone but you. I don't even want to want anyone but you." He reached out, trailed his fingers lightly through her hair, fingertips brushing her cheek. " Now at least I know why." Clary's voice had sunk to a whisper. " I don't want anyone but you, either. "