"Hermione," tearing his lips from hers was painful. "I need you to promise you’ll stop me if - if anything is too much. If I spark a memory or if things become uncomfortable. I don’t want to - I don’t ever want to be like -"  him . He didn’t want to acknowledge the power he had over her - the power she had over him. Intimacy was just as powerful and dangerous as the sharpest of weapons.