Or one has to lower their cost of living to meet Mexico's - which is about as likely to happen as people spontaniously becoming 10X more productive. The human body is not a machine that can be tweaked beyond it's capacity.
"The human body is not a machine that can be tweaked beyond it's capacity."
That's why one has to use one's brain (admittedly a part of the body), and keep using it. As I said before, it is not easy, but doable.