How are Feng Shui and fortune telling related to the "Book of Changes"?

How are Feng Shui and fortune telling related to the "Book of Changes"? They are a family; the Book of Changes itself is all-encompassing in the human world; numerology, that is, fortune telling is a branch that targets people; Feng Shui is a branch that targets people and the environment; fortune telling is all about deciphering people's codes. The difference is that fortune telling is based on the eight characters of birth, that is, the four pillars.

And fortune telling is based on the facial features and the shape and texture of hands; but if you learn it well, there is not much more; you can learn to keep one foot outside the threshold of the palace and the other foot at the threshold. He is already a so-called master

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