A man came home from work one day to find his wife sitting on the front porch with her bags packed. He asked her where she was going and she replied: "I'm going to Las Vegas." He asked her why she was going. She told him: "I just found out that as a woman I can make $400 a night doing what I give you for free." He went into the house, packed his bags and returned to the porch. His wife said: "And just where do you think you are going?" "I'm going too!" he replied. "Why?" she asked. "I want to see how you are going to live on $800 a year!"