Two criteria for judging whether something should be done:
You like and are happy when you do it, and you will definitely not regret it after doing it.
You may not like or be happy when you do it, but you will definitely regret it if you don't do it. It is basically enough to have these two standards, and they are easy to grasp (by Zhou Guoping) There is such a person in this world who lives in my flying youth.
Intention: Starting from idealism, life is based on happiness and liking.