What is the logic behind Xin Qiji’s nickname You’an?

Some ancient names and characters are unrelated, while others are related. Don't call people by their names, but call them by their characters. Qiji and You'an represent the wishes of the elders, such as Han Yu. The word "tuizhi" means that his father hopes that he can make more progress and climb up step by step. However, the word "tuizhi" is used as a warning to him to know how to advance and retreat. If there is progress, there will be retreat. , implying that he knows how to advance and retreat, and understands gains and losses. It is not difficult to find Xin Qiji. Hehe