Women love jewelry relatively, but they should love jewelry given by men. Men are required to look for high-value men who have enough spare capacity to obtain scarce items other than survival, but also to give these scarce items with little practical value. It is also an information screening for men. The screening is whether you are willing to provide reliable help (food sources, various social resources, caring and so on). ) For me and my children in the future. For women, whether a man is willing to develop a long-term relationship with you (whether to use a long-term spouse selection strategy for you) is his private information, and you can't know the truth.

There is an example in The Game of Strategy: a pair of lovers who are about to talk about marriage. The girl didn't know whether the boy was determined to develop a long-term relationship with himself (so-called true love), so she thought of a way. It is difficult to rent a good house in their city, and it happens that both of them have rented a good house. So the girl suggested that the boy return the house (or rent it out, I can't remember) and live with him. The boy didn't agree, because he was not sure whether the two would break up in the future and wanted to keep the house just in case (after all, a good house is hard to find). As a result, girls see that boys are not determined to be good with themselves and break up decisively. In this example, the girl's request is an information screening mechanism. When a boy moves out of his own house, he will bear the risk of not finding a good house after breaking up in the future. And this kind of adventure, as well as the willingness to pay for this kind of adventure, enables the girl to agree with his sincerity. Whether an information screening mechanism is effective lies in that it can make people who use different strategies really disclose their private information, and the screened people have no motivation to imitate the actions taken by other types of people in this environment.

In the above example, because the boy doesn't really love the girl, he has no motivation to imitate the person who really loves to move out when the risk is too high. So this screening mechanism can take effect.

When it comes to giving jewelry, you can't get what you give away. If you are willing to send expensive jewelry to please women, the more expensive jewelry, the more certain your feelings will be. It is not convincing to say how much I love you just by mouth, because "fake love" (short-term mate selection) men may also imitate sweet words.