“Those who are well do not need a physician, but the sick do.”
Correct. So stay well always and as much as possible you can so you do not need to see a physician.
How to stay well – live a healthy life and lifestyle.
There are instances you cannot really stay well because of aging process, accidents, and diseases you cannot avoid. Then, seek a physician for medical advices to mitigate and for treatment.
You can also seek the help of a physician on advices on how to stay well and on preventive measures on how to avoid accidents and diseases, if at all possible.