" Julian's skin was cold, as if he'd been leaning out the window into the night air. She turned his hand and drew with her finger on his bare forearm. It was something they’d done since they were small children and didn't want to get caught talking during lessons. Over the years they'd gotten so good at it that they could map out detailed messages on each other's hands, arms, even their shoulders through their T-shirts. D-I-D Y-O-U E-A-T? she spelled out. Julian shook his head, still staring at Livvy and Ty. His curls were sticking up in tufts as if he’d been raking his hands through his hair. She felt his fingers, light on her upper arm. N-O-T H-U-N-G-R-Y. "