What is good form?
Answer:
Stomach ache... home treatments?
Good vigour is the synergy of a person's emotions, spiritual natural life and physical attributes being contained by sync with the Universe. Simply put, to be contained by good strength you need to be emotionally evolved, spiritually rewarded and physically healthy.
A soul can have physically a fine body, but in need emotional and spiritual portions of him/her also person in tune, the entire creature will suffer. This pertains also to a person beside fine emotional/spiritual form but with a physical form specifically not in tune.
To be within good robustness, we must all heed to our physical bodies, our minds, our emotion and our spirits. It will be then that we truly are TOP FIT!