In my household, there's a 50 percent chance that I would be the one running the acorn processor (rather than my wife doing it).
not that I'm holier than thou or anything...
More crucially, many anthropologists say that those groups working with neolithic technology (with tribal rather than Aztec-type social relations) had an abundance of leisure compared to us. The North American Indians seem to have had this. Though of course they lacked in-door plumbing and resistance to European diseases.
Jim Devine jdevine at popmail.lmu.edu & http://clawww.lmu.edu/Departments/ECON/jdevine.html