1. Escape is not necessarily inevitable, the face is not necessarily the saddest, loneliness is not necessarily unhappy, what you get is not necessarily long-lasting, and what you lose is not necessarily lost. You may be sad for some reasons, but you can also find an excuse to cheer yourself up.
2. Beauty is wonderful. If it is bad, it is called experience.
3. People should be self-aware, foster strengths and avoid weaknesses, so as to avoid harm. What others can do, you may not be able to do.