I wish to hurt him to stop him from hurting her again. This isn't revenge. Someone already accused me of that, but it needs to stop. I know it won't make things good again for her, but if he lives to hunt her down again I don't know if she can possibly be expected to come back from it. And she's gone through so much already.
[...] Because I feel mad. I can't sleep. I'm not a violent person, this isn't me, but [...] someone has to. I've failed so many times already. I have to do right this once.