Cassandra Clare said this quote

He made it very clear that he didn’t want me here,” she said at last. “That my remaining at the Institute is not the happy chance I thought it was. Not in his view.” “And after I just finished telling you why you should consider him family,” Jem said, a bit ruefully. “No wonder you looked as if I’d just told you something awful just happened.” “I’m sorry,” Tessa whispered. “Don’t be. It’s Will who ought to be sorry.” Jem’s eyes darkened. “We shall throw him out onto the streets,” he proclaimed. “I promise you he’ll be gone by morning.” Tessa started and sat upright. “Oh – no, you can’t mean that─” He grinned. “Of course I don’t. But you did feel better for a moment there, didn’t you?