In the brute physical world, and the one encompassed by medicine, there are all too many things that could kill you, don't kill you, and then leave you considerably weaker. ↗
My father had died, and very swiftly, too, of cancer of the esophagus. He was 79. I am 61. In whatever kind of a 'race' life may be, I have very abruptly become a finalist. ↗
Think about technological float: it took centuries for the wheel to gain universal acceptance. Now any microchip device can be in use around the world in weeks. ↗
Throughout history, it took centuries for the habits of one culture to materially affect another. Now, that which becomes popular in one country can sweep through others within months. ↗
But slowly I began to use cameras and then think about what it was that was going on. It took me a long time, I mean I actually played with cameras and photography for about 20 years. ↗