The spirit cannot endure the body when overfed, but, if underfed, the body cannot endure the spirit.
Even one kid going hungry in America is one too many. How can we stand by when the reality is that there are more than 12 million underfed children in the U. S. ? We can make a difference.
Slaves who are underfed, diseased, resentful, despairing, and filled with hate will never yield that maximum of output which they might achieve under normal conditions.
Each time you put the muscle back on, your body has that muscle memory and wants to hang on to it, so you just have be well underfed and over-trained to get it off and it's exhausting.