1 There is no self. For example, parents often criticize and accuse children, which leads to children having no self. They only live for others, so they will attract a little attention from others through self-harm. I hope others can give him a kind of affirmation and recognition. Realize his existence and self-worth. The fundamental reason is that he has no self and can only beg others to give him himself.
Helpless and hopeless. Without hope, helplessness can also lead to self-harm. In short, this situation must consult a professional psychological counselor.