You look happy," he said to Clary. He swiveled his gaze to Jace. "And a good thing for you that she does."
Jace raised an eyebrow. "Is this the part where you tell me that if I hurt her, you'll kill me?"
"No," said Simon, "If you hurt Clary, she's quite capable of killing you herself. Possibly with a variety of weapons."
Jace looked pleased by the thought.

Autor: Cassandra Clare