Even if I accepted these calculations, I still have to work a 40 hour week. I can't optimize time spent on my profession, time spent on life maintenance, and l

Even if I accepted these calculations, I still have to work a 40 hour week. I can't optimize time spent on my profession, time spent on life maintenance, and leisure time. So I just work with what I have left over, and given these constraints I choose not to change my own oil, sure as I am I could do it.