Self-injury is an unhealthy coping technique where a person causes bodily harm to themselves. It’s often done to feel something when someone already feels numb, or it is used to deal with painful internal emotions, where a person may not know or understand other ways to cope and work through them. Self-injury is very serious. Knowing the signs of self-injury can help you aid a struggler in finding help to learn healthy coping techniques. I started self-injuring at a young age