Alcohol dependance happens to some and not others but for those of us that find we ARE, we all developed it the same way--lotsa practice (repetitive raising of the glass/can/bottle to the mouth. It's sneaky, progressive and permanent but will have zero effect on your life unless you drink again or ruminate it's "loss". Try to think of it as a gain. As I tapered and quit I came across "AVRT Explained" here:
Secular Connections - SoberRecovery : Alcoholism Drug Addiction Help and Information and it changed my view a lot. Maybe it will be useful to you also. Best wishes.