Besides having your grandparents' help as mentioned in a sibling comment, there's an darker side to the this topic: discrimination against women[0], and the people who aren't young and energetic enough[1].

edit: formatting

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[0]: https://edition.cnn.com/2021/06/05/business/china-three-chil...

[1]: https://edition.cnn.com/2023/08/26/china/35-curse-unemployme...