Thanks so much for the replies
I think it's time to have a serious talk - one that I don't chicken out of and he can avoid lol.
He does also say that I make him happy. And we do have a happy life together but yes, I don't want to be in denial. I know I'm an after thought to addiction. That's the nature of it.
I'm also very concerned because we are having to move to his mums house for a few months while we build our house. His mum is a heavy drinker and I know this won't help him. It will just make alcohol more easily accessible and socially acceptable