Always think better. For example think of it this way, you may not be alive tomorrow, appreciate what you have.
Also you can just do what you want, once you die, you cant do the things you wanted.
You are studying the anatomy of the body and organs.
Answer:
Once a year
Explanation:
Many people go get an annual physical. Going only when you feel sick will not show your overall health and the changes in your body. It is not needed to go to the doctor's twice a year unless you are immunocompromised, once a year will suffice.
