The good thing about it is that he understands that the problem lies within him and that he needs to work on it. Instead of thinking all about the bad things now why not try and see what you can do to learn more about yourself and overall improve your lifestyle and things like that. Make new friends with the same interests as you. There will be people here for you and if you want I'll be your friend. Although I do not live in Germany I would gladly talk to you online.