What's wrong with telling fortune once every five years?

That is, ten years is great luck, and five years in some schools is small luck. Five years is not good, that is to say, the earthly branch of the Universiade is not the XiShen in the eight characters, but actually needs to be broken according to the fleeting time, and the ten years in the Universiade are divided into two five years, which is not a method supported by all schools.