I was debating the values of physical, menial work versus more cerebral work, the other day, with the soon-to-be Former Lady Of The House who, as is customary when people have known each other for roughly a decade, seems to think her work has more value than mine.
Some folks refuse to admit they are both demanding - and at just about the same level, at that. Working physically, using your muscles to move and lift things, to run, stand, takes up energy; at the end of the day, tiredness occurs. Concentrating, thinking, creating also requires energy: the brain works and assimilates information, data, then organizes it; at the end of the day, you can still be ectenuated, exhausted, mentally fatigued.
In the first case, your muscles refuse to follow what your brain asks of them and you slouch or sleep; in the second, your brain refuses to work anymore, thus even if your muscles wanted to move, they couldn't, because the brain can't tell them where or how to move.
The end result is the same fucking thing: fatigue.
One isn't necessarily worth more than the other, by the way, they are different ways to accomplish things, and often, one person who cannot do one or the other just won't ''get'' the effort it requires.
That's all there is to it, really... I've been up for 20 hours, writing, thinking... it's almost 8AM and I should be getting at least some sleep. Guess I'm fatigued...