The memory of the past life is like a flood that bursts the embankment and instantly washes away the reason. He recalled that when he was 30 years old, his leg was broken by a steel bar at the construction site, and the contractor ran away with the medical expenses; he recalled that when he was 35 years old, his wife thought he was poor and took away the last savings of the family and followed the coal boss; he recalled that in the winter when he was 40 years old, his parents shivered from the cold in the old drafty house, but he could not even get enough money to buy a bag of good coal.