Cassandra Clare said this quote

Will’s voice dropped. “Everyone makes mistakes, Jem.”“Yes,” said Jem. “You just make more of them than most people.”“I —”“You hurt everyone,” said Jem. “Everyone whose life you touch.”“Not you,” Will whispered. “I hurt everyone but you. I never meant tohurt you.”Jem put his hands up, pressing his palms against his eyes. “Will —”“You can’t never forgive me,” Will said in disbelief, hearing thepanic tinging his own voice. “I’d be —”“Alone?” Jem lowered his hand, but he was smiling now, crookedly. “Andwhose fault is that?