" Will seemed about to lunge off toward the whisperers to administer rough justice, but Jem had a firm grip on the back of his parabatai’s coat. Being Jem, Tessa reflected, must be a great deal like being the owner of a thoroughbred dog that liked to bite your guests. You had to have a hand on his collar constantly. "

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