Originally Posted by
2012Starlight 
This has something to do with it. I can still decide to quit on my own, for instance. More chronic alcoholics don't even have that choice anymore, as I've read.
Oh there is a choice. Plenty of chronic alcoholics drink themselves to death. Just like some moderate drinkers choose to stop drinking. Most people tend to quit because they finally see the negative effect drinking has on their life, or because of serious health issues.