Chinese-style social etiquette, I have summarized 14 points, everyone can add more

1. The more friends you have, the more you may suffer losses
2. The closer the relationship between relatives, the more you may suffer losses
3. Marriages without intimacy won't last long
4. If your monthly salary is less than 10,000, never buy a car
5. Never tell anyone about your pregnancy in the first three months
6. A petty person is always a petty person; stay away from them
7. The more someone complains, the more secrets they have
8. 99% of relationships are built on financial interests
9. Don't develop feelings for your friend's wife
10. When riding someone else's carpool, don't sit in the front seat
11. Don't hire acquaintances for house renovations
12. Never reveal your marital issues to outsiders
13. Don't criticize your children in front of outsiders
14. Family secrets should not be shared publicly