The half-brothers did not like each other, but in order to help their father, a gambler, to pay off his debts, they had to support each other and rely on each other. Although their lives were miserable, they still managed to survive. The older brother fell ill and passed away. The face that was 70% similar to his older brother was the best curse for his younger brother.
Intention: People should know how to cherish when they are alive, and don't wait until they lose to know how to miss them.