At the wedding, the daughter-in-law opened a red envelope for her mother-in-law to change her mouth, and she did not change her nickname to "Mom" for the next four years.
A woman betrayed her husband after marriage and gave birth to a daughter who was abandoned. Now her husband has doubts about the identity of the child.
Folk story: A farmer sacrificed his life to cut off his flesh to save an old fox, and begged for help to change his luck. The old fox said: The only way to do this is to study.