Personality Disorders Support Group
Personality disorders form a class of mental disorders that are characterized by long-lasting rigid patterns of thought and behaviour. Personality disorders are seen by the American Psychiatric Association as an enduring pattern of inner experience and behavior that deviates markedly from the expectations of the culture of the individual who exhibits it.
He may read you wrong if you feel compelled to always save him... he may think that you think he is an invalid ( I know it sounds weird). Try to show him that you believe in him and that you are thankful he is around, be careful to not be codependent though, (take care of yourself too so that you can shine for him and cheer him up in turn)
My mom had it before she went nuts.. I am trying to stay away from having this disorder.