Thank you @Ulysses and @iamyourequal!
To those struggling at the moment, I can only say what works for me.
I decided to quit alcohol for good. I realised, after several failed attempts last summer, that I could not have just one drink.
I absolutely swear by the Allen Carr book (the easy way to control alcohol - note, not the one aimed at women only) and the Annie Grace 30 day alcohol experiment. If you give yourself over to their methods, don't ask me how, after about a month, a switch goes off in your brain.
I also use an app called Daylio. I use it to count my days and track activities, make notes, I suppose it's an online journal, but only takes a minute every day. It helps me to feel organised and grateful for every sober day.
I've also spent a long time thinking about why I used to drink, my motivations and innermost thoughts. I think this is key. I realised I was drinking to de-stress and to fit in. I was surprised to find that not drinking took away most of the anxiety and stress. Then I realised that I did not need approval of others. Friends and family have accepted it, and I don't care about anyone else. You can tell, I tend to get quite evangelical about it. 
And my DH still drinks, moderately. He has an off switch!
. We have a drinks cabinet, wine rack and beer fridge. All full. And it doesn't bother me at all.