I despise ageists like this. I know several 75+-year-olds that are doing pretty well. One is even still working. I also know lots of fellow millennials that are using their youth to actively make the world worse with their Marxism.
My mom is 88. She has had a TIA.....but still sharp as a tack.
I know a 93 year-old who is still going strong. I'm 70, still working, and am no where close to checking out yet.
I’m 65. Studying now for my second personal trainer certification. I don’t plan on retiring as a fitness coach for another 15 years or so.