The chocolate bar

Andy is fond of chocolates. She asked her mom for chocolates. Her mom said no. Andy insisted. Mom asked her to complete the homework. She promised to buy a chocolate bar. She was bestowed with a chocolate after completing the homework. Andy was happy. She wanted to show the chocolate bar to her friends. She wanted to share it with them. She preserved the chocolate in her bookshelf. Next day morning, she forgot the chocolate and went to school. When she came back, she saw that ants have eaten the chocolate. She started crying. Mom promised to buy another chocolate.