What's the diagnosis?

Sounds like Robert needs to talk to someone about the way he feels before he does himself fatal harm. 'Robert' has had these self harming urges from a very early age and the longer he leaves his feelings untreated the worse it will get, filling up like a balloon. His life seems pretty messed up, maybe he should move away, he should see his doctor and tell them he's worried for his safety. If you know Robert please get in touch with the social services.