What does it mean to have an old man hanging around at home?

Divination, that is, divination, is an ancient method to ask about the future direction of certain events, and its source is generally believed to come from the Book of Changes or the Book of Changes. China is an ancient and magical algorithm. For thousands of years, both the people and the country have held divination ceremonies in predicting the future and holding major events. People are also very popular now, especially in Hong Kong, Macao and Taiwan.