the Bible tells us not to use our liberty to offend a weak brother. To some, alcohol has a devistating strangle hold. It would be unkind of us, to drink in front of them if we know they have a problemo.
We are free to indulge, but if that freedom would cause a struggling brother to stumble, we should just leave it alone.
From personal experiance, having been in the bondage of beer for many years, that there is nothing like the sweet deliverance of the Lord Jesus Christ. I am free from the enslaving power of alcohol. For someone to drink around me is not a problem. The shed blood of Jesus has cleansed me from the unrighteous desire to drink. But not all who are weak, have been made privy to this revelation. So we should always be aware of those who watch us