There are many positive and healthy videos that can be used as reference: 1. Ode to Joy Series: This series tells the story of a rich girl family in Shanghai in the 1920s. It shows the growth experience and interpersonal relationships of the protagonists, showing an era full of joy and challenges. 2."Oddity" debate video: The program invited many celebrities and debaters to debate and discuss various hot topics including love, work, life, and so on. By watching these videos, one could learn a lot about philosophy and ways of thinking about life. 3. Video of a ted talk:TED is an organization dedicated to the spread of ideas and knowledge. Its videos cover a variety of topics, including technology, culture, science, design, and so on. These videos were usually very positive and inspirational. 4. Sports video: Sports can not only maintain physical health, but also improve mental state and self-confidence. You can watch some sports videos such as yoga, running, swimming, etc. to exercise and enjoy the fun of sports. These videos were all positive, healthy, and beneficial. They could help him maintain his physical and mental health.