So all these, all these types and many others, I said it could go on in great detail outside this book, have one symptom in common. Guys, this is what differentiates the real alcoholic from other kinds of drinkers. One symptom in common, they cannot start drinking without developing the phenomenon of craving. The real alcoholic, according to the description, the belief system here in this book called Alcoholics Anonymous, is that to be a real alcoholic, one breaks out in craving.