In life, there are many things you don't have to care about, such as merit, fame, profit, salary, power, potential, position and so on. The more you remember these things, the more worried you are; The more you care, the more you suffer. And some things, we must care. Health is something to care about. Birth, old age and death, of course, can only be calmly faced and accepted, but health can be controlled by people themselves. For health, don't think you can exercise in the future, ...