In 2001, only about 1 out of every 7 U.S. workers was 55 or older. By 2021, the number jumped to almost 1 out of every 4 workers (a 93% increase). That’s almost twice the proportion of older workers as before.³ Older workers are staying on the job longer for various reasons, ranging from financial needs to the joy of work.  More people are working past the age when they might have retired. They might be responding to the increase in the Social Security full retirement age, needing money or health insurance, or simply enjoying their jobs and being around their friends at work.⁴ Clearing Up Myths About Older Workers While Understanding and Supporting an Aging Workforce — https://blogs.cdc.gov/niosh-science-blog/2023/09/25/older-workers/

I just learned I have a high level of Crystallized intelligence. https://en.wikipedia.org/wiki/Fluid_and_crystallized_intelligence