Hello h1978,
Sorry to hear the addiction of alcohol of your husband,I am basically think that your husband had a problem and he can’t open up with you.and he want to spend his time into drinking every night which is really bad for the health.I would say drinking alcohol once a week is normal for english people coz my other half is drinking once in a week .
I’ll advise you to ask him in calm way and don’t nag him as they will not listen to you.I hope it lessen your feelings.