Exactly what the guys above said, if you have issues and need replacement therapy you want to go through a Dr. You could be on life long TRT. Follow the Dr's suggestions there may be an underlying issue where you don't need TRT at this point and can fix it otherwise.
You don't want to self diagnose for a few reasons. first and foremost you can screw yourself up for the rest of your life, and also if you go underground and treat yourself you'll have to have a an underground source for the rest of your life, that will not be easy or reliable and you can run into serious problems.