Why is it so difficult to quit drinking?

Why is it so difficult to quit drinking? If there was ever a loaded question, that's it right there! The generally agreed narrative about quitting drinking is that it has to be painful, difficult and full of relapse and struggle. This is probably why whenever I post on social media about stopping drinking in one day at one of my Bootcamp's I get a lot of hate. People love to point out that quitting drinking can't be done in one day and there is no easy way out of the problem. They love to cla...