The ancient world was in agreement that before facing a battle, you should gird on your sword and then gird your loins. The ancient world also stated that girding the loins was necessary for obtaining true health, namely, the inner power to fulfill the desires of the heart.
Many people hear about the power of girding your loins, but when you try to find out about it, there are no existing Western writings that describe either how to gird or what precisely it will do for you. The assumption therefore is that girding must be very powerful, easy to learn how to do, and that it is being suppressed from the general public.
The next question is "Why?"