What does it mean to limit the solar fire on the horse tray to three days?

The third limit of horse plate is psychological plate, which of course includes ideas, obstacles, emotional ways and so on. The horse tray needs two-way emotional output, otherwise the horse tray can't see accurate psychology. When the owner looks at the horse tray with one-way emotional output, he is actually singing a monologue. The third limit of the horse's disk surface is the psychological movement change of the horse's disk surface with time axis. Many people define the disk surface of a horse as a process of psychological change.