What is the character of "two mice make a mess"

Where did you see it? Have you met the "secret skills" of Jianghu experts?

Take a wild guess, you must raise two children, and the warehouse is the warehouse, plus two warehouses. The reservoir is old, which can't be redundant. Are there two wooden warehouses? It's just a combination of yin and yang and five elements. Why is it so tactful and mysterious?