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Don't care about your daughter just because raising a child is to prevent old age. They are all their own children and are treated equally. Some families prefer boys to girls, giving their sons what they want generously, and finding various reasons to shirk what their daughters want. Parents don't blame their sons for their mistakes, and daughters beat and scold them for their mistakes.
When the boy grew up, he lived to be Su Mingcheng in Everything is Fine. At this time, parents realized that it was too late and regretted their different treatment of their children. Excessive doting on the son makes the child willful, even the parents are disrespectful and unfilial, and self-centered. Ignore her daughter, on the contrary, her daughter knows that she is grateful to her parents for their upbringing, and her parents feel guilty about her daughter.
Now that men and women are equal, the "children" who raise their children to prevent their old age can also be daughters, and daughters are also children of their parents. When they grow up, they can also be filial to their parents. Therefore, you don't have to be obsessed with gender and cultivate your children well.