Like most drugs it will take a year or more until you are free of all the 'psychological' dependencies that go with them, this will I imagine include 'rage' episodes. I've got no personal experience of anabolic steroid misuse but I have of other drug misuse, and I can tell you that rage incidents, depression, feelings of anger and frustration are absolutely normal. You really do need a better Dr, who at least acknowledges what's going on and is proactive and encouraging in trying to help you. For yourself you can do sensible things like exercise, not things like weight lifting. I started running as a means of controlling stress and anger when I withdrew from drugs many years ago and coupled it with meditation and avoided high stress situations where I was likely to get an opportunity to kick off. So I dind't go to bars, allow myself to be around irritating people or otherwise jeopardise myself until feelings like this had abated. You're doing a great thing, and have accomplished a lot don't panic and don't fall at the last fence because you're not getting appropriate help from your GP. There are probably also self help groups on the net for anabolic steroid withdrawal.