Some people know things others do not. That a home is supposed to be a place you feel safe. Comfortable. A little haven from the rest of the world where you can relax and just be yourself. Some people do not live with a drunk.
It shouldn't be that noteworthy to abstain from alcohol for 31 days; has society become so defined by the 'binge drink' that it is a struggle to go without it for 8.3% of the year?