Self-Injury Support Group
Whether you or someone you know or love struggles with self-injury, this is the community to discuss your experience, find support, meet others going through the same, and get advice on how to stop. Working together, we can help find alternative coping skills to reduce the urge to self-harm.
You mentioned feeling "worthless"... why not volunteer somewhere? It really does fill you with a sense of self-worth to do something good for someone else. Believe me, anyone you help is going to be nothing but grateful and is going to have a vastly different opinion of you... i.e., they're not going to see you as "worthless"