Tempering is the first step, that is, the simplest eight-character technique, the basic foundation, and the balance of yin and yang, so that you can develop healthily and live a happy life. This only takes a few months. If you have a foundation in Chinese medicine, this only takes a few days.
There are many kinds of eight-character views, such as daily work, the more you do, the more you do. It's just a perspective, a routine,
It takes many years of training to use the relationship between heavenly stems and earthly branches, the relationship between ten gods and a story.