In addition, I feel energetic and not easily tired, which is also one of the criteria for judging my health. Healthy people don't feel extremely tired casually, but healthy people are often more energetic and don't shout tired easily. People in poor health can be seen from their facial expressions, eyes and behaviors. For example, they will look haggard, have no eyes and may not be as agile as healthy people.
In addition, I think the standard of judging physical health is that the results of physical examination data meet the standard indicators of physical health. Many times, it is impossible to feel whether the body is healthy or not and whether there are hidden dangers in the body simply by relying on your own feelings about the body. For example, many cancer patients don't look much different from normal people in the early stage, but the results of physical examination data are different from the standard indicators of physical health. Therefore, in order to confirm your health, physical examination is very important.