See that is the thing I don't really have anyone. I have a friend, but he would kick my ass if he knew I would do this. Skar(I probably know you by a different name, but as of right now I don't know who you are.) Also it is hard to get anything out of my reach for temptation, cause everything reminds me of her.
Tell him. He might beat some sense into you. Plus it will give you another outlet, alternative to cutting yourself.