A Piece of Paper Falls into Your Hand, and There Will Be a New Life Afterward.

In ancient times, one or both men and women gave up on each other and wrote a letter of divorce, also known as "the letter of harmony and separation". In modern times, one or both men and women give up each other to obtain divorce certificates. The name has changed, but the nature has not. They are all salvation for one party and punishment for the other party's failure.