The video explaining the eight characters is good.

Either one will do, but if you don't have that understanding and don't realize your own things. Then you are useless to any team.

Generally, modern learning these things can only say two things. It's from an ancient book. He met when he was telling people's fortune.

The ancient book says that it is better to read directly. His own things. It may not be accurate when used.

If you can't sort out your life system and style, watching too much will only make you confused.