When you 1 year-old, she nursed you and bathed you. In return, you cried all night.
When you were 3 years old, she cooked for you lovingly. In return, you threw a dish she cooked on the floor.
When you were 4 years old, she bought you colored pens. In return, you painted abstract paintings all over the wall.
When you were 5 years old, she bought you beautiful and expensive clothes. In return, you wore them to play in the mud pit.
When you were 7 years old, she bought you a ball. In return, you used it to break your neighbor's glass.
When you were 9 years old, she paid a lot of money to help you practice the piano. In return, you often missed classes and didn't practice.
When you were 1 1 years old, she accompanied you and your friends to the movies. In return, you let her sit in another row.
When you 13 years old, she suggested that you get a haircut, but you said that she didn't know what a fashionable hairstyle was.
When you 14 years old, she paid you for a month's summer camp, but you didn't call her for a whole month.
When you 15 years old, she came home from work and wanted to give you a hug. In return, you turned into the house and plugged in the door.
When you 17 years old, she was waiting for an important phone call. You held the phone and chatted with your friends all night.
When you 18 years old, she was moved to tears because you graduated from high school, while you were out partying with friends until dawn.
When you 19 years old, she paid for your college and sent you to school. You let her get off at a far place, for fear that your classmates would see you laughing.
When you were 20 years old, she asked you "Where have you been all day?" You replied: I don't want to be like you.
When you were 23 years old, she bought you furniture to decorate your new home. You told your friends that the furniture she bought was terrible.
When you were 30 years old, she gave you advice on how to take care of your children. You said to her, Mom, times are different.
When you were 40 years old, she called you and said that her relatives had a birthday. You called back, Mom, I was busy and didn't have time.
When you were 50 years old, she was often ill and needed your care, while you were reading a book at home about her parents leaving their children's home.
Finally one day, she passed away. Suddenly ... you remember all the things you didn't do, and they beat your heart like hammers.