Hermione laid a hand on his back. "Is it really friendship if one is being used all of the time?" He drew away from her, shocked. "Come now, Severus. Even you could see that Harry and Ron were using me for my knowledge in school. But I...I love my husband. I know all of you only see one side of him, but he shows me his true self. We are at war, and I have discovered that I have a strong sense of self preservation."