Welcome back! I am 45, and have just under nine months sober. Like you, I spent a few years on and off SR and I alternated between periods of sobriety and failed attempts at moderation.
I have really focused on recovery this time and healthy choices and not just not drinking. I have made lots of positive changes in 2016 and getting sober was the biggest, and allowed for the rest of the choices to fall into place.
I promise you sobriety is worth it, and you can do this!!!