Exactly what it says.
He says he is not an alcoholic because he is not dependent on it - whilst this is true, he always drinks 2 nights a week but sometimes as much as 5 nights of the week.
I'm not talking about a beer with his dinner or bottle of wine for the evening. I mean full on litre of a spirit plus beers. He drinks slowly enough so he doesn't go to sleep til 4 am at times ...