Seeing that you mentioned this problem, I think you must be under 43. Then I'll tell you. I used to stand at the age of 30, and I was not confused at the age of 40. Actually, it's about. After 40 years old, basically your career has developed to a certain extent. There seems to be no development. But at present, 43-year-old is still the number one scholar, and even belongs to young adults. Definitely not old and weak. If you are old and weak at the age of 43, then according to the average life expectancy of China people now, men will reach 76 or 77 years old. What kind of physique will so many people have at this age? I think from the current situation, the economic conditions are good. Everyone is alive. Rich. Physical quality. The promise of being old and weak before the age of 43. Please believe it, but now you are 43 years old, you should pay attention to some common diseases and frequently-occurring diseases. We should also pay attention to regular exercise. At present, people in their forties are often in a sub-health state. Therefore, strengthening physical exercise and paying attention to health care are also the first choices for this age group.