Forever young © Anthony Fieldman 2017

Age means change, if we need a tidy way to summarize super-complex biological processes. To be a human being, or a plant, or an insect, or an ocean, or an ecosystem, is to march continually onward, relentlessly, in a perpetual act of metamorphosis, whether it’s one that is entropic or rejuvenative in nature.

So if the default state of humanity is change — one in which our lives are immersed at every turn — why is it that we…