Hi John and welcome.
I found it so hard to give up something I hated, because I'm an alcoholic. 'Big time'
At first it seems almost impossible, but once you experience that wonderful feeling of waking up sober with no hangover, you want it much more than the buzz from drinking.
how do you go from doing something to abstaining
Anything you ever wanted to do and didn't because you were too drunk.
Keep reading and posting. This place is amazing when it comes to advise and support.
Also please seek medical help if you feel you are struggling.
Keep us informed.