“‘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.'”
~ Cassandra Clare, City of Glass (pg. 534)