Being an alcoholic does not in any way qualify us alcoholics for knowing about the disease. I didn't understand anything about alcoholism, yet, I thought I was an expert! I thought I knew ALL about it because my parents were alcoholics.
Wrong.
It is not really a psychological form of delusion. Most alcoholics are not psychologically disturbed. It is just the delusional way of thinking that comes with drinking. However, some alcoholics are disturbed, chronically depressed and or mentally ill.
I wouldn't to psychoanalyze your husband. Just make your boundaries and remember the three Cīs....