A man who drinks too much on occasion is still the same man as he was sober. An alcoholic, a real alcoholic, is not the same man at all. You can't predict anything about him for sure except that he will be someone you never met before.
Raymond ChandlerThere was a sad fellow over on a bar stool talking to the bartender, who was polishing a glass and listening with that plastic smile people wear when they are trying not to scream.
Raymond Chandler