There are many scams at the end of the year. Recently, I heard from a friend that the third wave has already begun. The deepest realization is that no matter how unstable the external environment is, you must maintain the stability of your own ecosystem. People you stay in close contact with must be on the same wavelength, and whether the other person is human or ghost, you simply cannot judge until a conflict of interest arises. It's even more important to judge whether a person is acting in self-interest or altruism.