Now he is trying again and we are on day three with no alcohol.
no - HE is on day three without HIM consuming any alcohol. this is not a WE thing. i know that sounds harsh but this is HIS problem. you don't have to babysit, or hand hold. as stated above you are not his nurse.
in fact it would be good for you to get out the house for a bit. YOU get some fresh air. go for a walk. remember you are a separate being.