Charlotte said that if I chose, I could cease to be a Gray and take the name my mother should have had before she was married. I could be a Starkweather. I could have a true Shadowhunter name." She heard Will exhale a breath. It came out a puff of white in the cold. His eyes were blue and wide and clear, fixed on her face. He wore the expression of a man who had steeled himself to do a terrifying thing, and was carrying it through. "Of course you can have a true Shadowhunter name," Will said. "You can have mine.
Cassandra ClareIf there was an arrow speeding toward Will, I would be bound by oath to step in front of it.' 'Handy, that,' said Will.
Cassandra ClareThe two are now bound inextricably. Should one die, the other will follow. No wepon in this world can wound only one of them
Cassandra Clare