Of course, physical hysteresis works in the opposite manner ~ leave the metal unstressed, and it maintains its strength, subject it to repeated stress and strain, it weakens.

Our employment is more akin to physical fitness ~ leaving workers unstressed reduces our immediate capacity for work, if we are put to work and subjected to the regular stresses and strains of working, our immediate capacity for work increases.


I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.