Mets I was thinking of you yesterday. I was 29 the first time I seriously quit - I just didn't want to go into my 30s drunk. I was part of a party crowd, lots of sporting events (those go hand in hand with alcohol), did a lot of skiing, traveling, and lots of hanging out at bars. I drank club soda with lime always. I remember being extremely self conscious about it at first, but very few people said anything to me. Some did, and I was just evasive (one thing being an alcoholic provides you with is a certain level of deviousness) and before long, no one did, and it was just the new normal and it was not hard after a while. I was sober for 6 years and they were awesome years.
I wish I had stayed quit, but it didn't happen for reasons that surprisingly, didn't include that I wanted to be drunk. But eventually, that was what happened of course.
These things take time to become habit. And vigilance no matter how comfortable you become. You can do it.