"As easy as breathing, easier. Muscle memory," Cass murmured, understanding the feeling. She had to be in control because she didn't want to be like her father. She wanted to be good, she wanted to be better than him. She couldn't and she wouldn't kill but she had to teach herself how not to everyday. It was hard and sometimes she did not think Bruce understood. Not really. "It's hard not to kill them, it's hard not to be who I was."

Cass looked up startled by the movement, soft and gentle, through her hair. He brushed it out of her eyes, making her look at him curiously and cautiously. "Maybe you're stupid to look, I'm dangerous."