What does it mean to be backward in fortune telling _ What does it mean to be backward?

What do you mean we can't use each other?

The word "less than" in "less than the other party" means that it can't be achieved or reached.

Those who can't use each other and can't use each other will be eliminated for this. For example, when people are hungry, their strength is insufficient, that is, due to the deficiency of yin (essence), they cannot achieve the function of transforming yang (qi), and yang is also insufficient. In other words, the two did not achieve the function of mutual root and mutual use, forming a mutual loss of yin and yang.