" 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 to
hurt you.”
Jem put his hands up, pressing his palms against his eyes. “Will —”
“You can’t never forgive me,” Will said in disbelief, hearing the
panic tinging his own voice. “I’d be —”
“Alone?” Jem lowered his hand, but he was smiling now, crookedly. “And
whose fault is that? "

― Cassandra Clare , Clockwork Prince (The Infernal Devices, #2)