One day, a couple was having a walk in the evening, and the woman saw a beautiful dress that she insisted him to buy it for her. The man hadnt enough money to buy that dress, but a woman insisted during two weeks, day and night. One day a man came back home at night with the dress and she was very happy. But the next day the man didnt come back home. After one year and a half, he returned. "What was the price of the dress you bough me laast year?, she asked. "18 months in prison", replied the man.