It's not funny, Jace," Alec interrupted, starting to his feet. "Are you just going to let her stand there and call me names?" "Yes," Jace said kindly. "It'll do you good— try to think of it as endurance training.

Cassandra Clare: The Mortal Instrument Series (3 books): City of Bones; City of Ashes; City of Glass (ed. Simon and Schuster, 2010) - ISBN: 9781442430044