1. When you go out to eat with the opposite sex, you must take the initiative to pay the bill. 2. When you borrow a friend&;s car, you must fill it up first and then return it. Even if the house and car are bought in full, tell others that they are bought by mortgage. When you don&;t want to lend money to others, say that you have no financial power, and all the money is in your wife&;s place. When a girl says she is fine, she must be comforted in time. 6. When rolling the road with your girlfriend, be sure to let your girlfriend walk inside. 7. When relatives and friends ask about their salary, they say it&;s just enough to live. 8. When a colleague asks about salary, he must not answer truthfully, but ask the other person directly. 9. Even if you don&;t smoke, always keep a pack of cigarettes with you. 10. Don&;t reveal your capacity for drinking, and you will start to pretend to be drunk after drinking for seven minutes. 11. If you really don&;t want to drink, just say that you just took cold medicine. 12. When others ask you to guess your age, you must guess in the small room. 13. Be sure to prepare more gifts in the trunk in case of emergency. 14. After the project is completed, we should push the credit to the leaders, so it is only a matter of time before promotion and salary increase. 15. Even if you do something small, it should be reflected in the weekly or monthly report. If you don&;t tell me, the boss won&;t know what you have done. 16. The leader told you that it was hard work, and you must say that this is what I should do. 17. When a man is older than himself, he is called X, while a woman is called Sister or Beauty. 18. Refuse to show love to the opposite sex, remember to raise the other person first, and then explain the reasons. 19. When your girlfriend asks you &”;What are you doing&”;, don&;t tell the truth, say &”;I&;m thinking about you&”;. 20. Sometimes, don&;t speak ill of someone in front of others, but try to say something nice. After a long time, your character will stand out. 21. Don&;t talk too much, keep a sense of mystery properly, so as not to be held hostage. 22. Sweeten your mouth and say whatever you meet. 23. When asking for help, you must prepare a small gift. 24. When helping others, don&;t promise too much, but leave yourself room appropriately. 25. If you want to be valuable, you must learn to package yourself. 26. When you ask someone for help on the internet, you must send a red envelope to the other person to show your gratitude after the job is done. 27. After breaking up with your ex, don&;t slander. As long as someone mentions it, say something nice about the other person. 28. When you go to your father-in-law and mother-in-law&;s house, you should have a job in your eyes. 29. When communicating with others, change &”;Do you understand&”; to &”;Do I make myself clear?&”;. Even if you are better than others, you should respect and learn from others&; strengths.