There is only one God, and that is God. God is definitionally who is in charge. If I am marching to my own drum, I am my own god. If I am acting on impulse, I am my own god. I have to make up my mind! At any given point, either God is God or I am my own god.
Alcoholics, if they are their own gods, will drink. If I am my own god, I will drink. If I drink, it is because I am my own god. This is so simple it is usually missed.