A man walks into a bar, orders the bartender for two beers. He continues this for several nights and the bartender got a bit curious. The bartender walks up to him and asks "Sir, why do you always ask for two drinks?" the man replies, "I used to come here with my best friend but now he's dead. And I'm drinking the second beer on his behalf." A few days later, the man orders only for 1 beer. Curious, the bartender asks him," why only 1 beer now sir?" man replies, "I have given up drinking!"