It's Impossible for Me to Live My Life Again and Still Have Regrets

A social worker who has graduated and worked. A programmer works from nine to ten every day. With bad living habits, he can neither see the sunshine in the morning nor the sunset in the evening. However, as a talented young man, he has a hobby, which is reading books, both paper books and online books. Soothe your lonely soul. I also occasionally fantasize about whether I would live as bad a life as I do now if I were to live again. An unexpected act of bravery brought this social animal back to his high school days. What should he do in this life...