You can’t make people quit drinking. You didn’t cause and you can’t cure it. It doesn’t mean you should be ok with it. But you really only have two options: ignore it and just enjoy your life or leave. You can’t control his drinking. You can only control yourself
Now him going to work doesn’t mean he might not be an alcoholic. There are high functioning alcoholics, the ones that maintain their jobs and home but self medicate with alcohol. 12 cans a night is a lot of alcohol.
I am not telling you that you should leave your husband but you can’t make him quit. But you can make you own decisions