The confused mother who favored boys over girls suddenly showed great concern for her daughters and asked them about their welfare. The three sisters said something was wrong. Could it be that the mother had changed her method to make it easier to sell her daughters? They decided to observe secretly. On the Nth day, the mother was observed giving each of her three daughters a house; on the N1 day, the mother was observed to help the three daughters start their careers; on the NN day, the mother was observed to earn a few hundred million points, make a will in advance, and give it all to her daughters. The three sisters said that they should make maternal love more intense!