The relationship between the three stages of a family of three is displayed on the dial in the form of hour hand, minute hand and second hand role transformation. With the passage of time, the son grew up step by step from the hour hand to the minute hand and finally to the second hand. The angle between the young, middle-aged and elderly parents gradually changed from 45 to 90 to 180. Clever use of the dial, the character's height and state of motion to compare the hour hand, minute hand, second hand, the angle between the characters to compare the distance. Childhood and parents inseparable as their own grow up and parents distance gradually increased so that gradually away, thus ignoring the existence of family. When we grow up at the same time, parents are also slowly getting older, in the face of the pressure of life, busy work, we may slowly forget the parents who have been waiting for us at home, time is not forgiving, time is changing, the age is growing, but the family is never changed. When you were a child, your parents grew up with you. When you grow up, your inner alarm bell rings. Please don't forget to stop and wait for your parents and give them a hug, because companionship is the longest confession.