"Sebastian just smiled. "I could hear your heart beating," he said softly. "When you were watching me with Valentine. Did it bother you?""That you seem to be dating my dad?" Jace shrugged. You're a little young for him, to be honest.—"What?" For the first time since Jace had met him, Sebastian seemed flabbergasted."
Sebastian
Sarcasm
Humor
Realization