What do you mean by breaking up mandarin ducks to vent their anger?

"It is advisable to vent your anger when you break up" means that in the eight-character numerology, it is not appropriate to forcibly separate two people, otherwise it will be easy to get angry. In China culture, Yuanyang symbolizes love and happiness, and breaking up is often considered as a bad behavior. The eight-character fortune teller mentioned that "parting lovers should vent their anger", which is intended to remind the Lord not to forcibly break up other people's feelings, otherwise it will bring more anger and adverse consequences to himself. Eight-character fortune telling is an ancient numerology. By analyzing the basic information such as birth time, date and place, we can calculate people's fate, marriage and career.