Sister-in-law has a bad relationship. Do outsiders laugh?

Sister-in-law has a bad relationship, and outsiders will laugh. In other cultural or social environments, the relationship between sister-in-law and daughter-in-law is regarded as a part of family image, and a bad relationship will cause comments or criticisms from outsiders. Sister-in-law relationship refers to the relationship between a husband's sister and his wife. This is a family relationship, based on blood relationship. In the traditional culture of China, sister-in-law relationship is considered as an important blood and marriage bond.