When we were first married , MIL came to visit and walked around the kitchen opening all drawers and cabinets. Really pissed the Princess off, but that was my MIL. She was really a good lady - just had her 'ways'.
Because of something like this the Princess backed me into a corner and 'forced' me to promise that I would quit. When I told our daughter she said, "Daddy, you are so screwed." A promise is a promise. I had one friend who developed cancer of the larynx which eventually metastasized to bone...
Had a kid who worked with me. On our way to drink lunch he saw a bag of chew on the seat. "Can I have some of that?" "Sure." A bit later, "What do you do with the juice?" Me - "Spit it out." Him - "pull over, pull over", and he barfed his brains out. A few shots and beers later and he was...
It's possible. I had to quit drinking and was forced to quit nicotine. Getting sober was not easy - @R2elk nailed it - I was not a drunk - I am an alcoholic - but I did it. Nicotine - another beast altogether. I never plan to become an active drunk again, but given a terminal diagnosis I...