The first chapter of "The Book of Songs", "Guan Ju", deleted by Confucius, describes a young man who cannot sleep because he longs for a woman. , Confucius's student Zi Fu wrote in his biography that "promoting emotions and ending with etiquette and justice" is what Confucius advocated, which is to be happy but not obscene. Almost is a preposition, which means the same as "promoting emotions and ending with etiquette", which is what happens in emotion and reason. , to terminate due to moral etiquette means that it is okay to talk about love, but it cannot exceed the boundaries of etiquette and law, that is, it cannot be sexual intercourse. Stop here does not mean to stop the relationship, but to stop when it reaches the scope allowed by etiquette and law. ,You can’t do things that go beyond etiquette just because of love