|A businessman entered a tavern, sat down at the bar, and ordered a doublescotch on the rocks. After he finished the drink, he peeked inside hisshirt pocket, then he ordered another double scotch.After he finished that one, he again peeked inside his shirt pocket andordered another double scotch.Finally, the bartender said, "Look, buddy, I'll bring you drinks all nightlong. But you gotta tell me why you look inside your shirt pocket before you order another."The customer replied, "I'm looking at a photo of my wife. When she startsto look good, then I know it's time to go home."