Human beings belong to seven emotions and six desires, and human beings are high-level animals with rich emotions, so there are joys and sorrows. Since there is emotion, it determines that we will be sad when we meet unhappy things, and will smile when we meet happy things. A person cannot always live smoothly, and he will encounter unpleasant things or setbacks on the road of life, mainly how to face them. What should we do when we are sad or unhappy?