City of Glass

"Valentine doesn't care about me," Clary said. "He's only ever cared about you."

Something flickered in the depths of Jace's eyes. "Is that what you call it?" His expression was frighteningly bleak. "After what happened on the boat, he's interested in you. Which means you need to be careful. Very careful. In fact, it wouldn't hurt if you just spent the next few days inside. You can lock yourself in your room like Isabelle."

"I'm not going to do that."

"Of course you're not," said Jace, "because you live to torture me, don't you?"

"Not everything, Jace, is about you," Clary said furiously.

"Possibly," Jace said, "but you have to admit that the majority of things are."

-City of Class, page 319