Reading Antifragile by Taleb, makes a case that manual labor makes us stronger etc. There is more to the book than that but your post made me think of this aspect.
I think anyone who does high repetition exercise: think spin/rowing has a better shot a longevity.
Also as far as absurd retirement plans, I drove 2,000 trips for Uber/Lyft a few years ago. Actually really enjoyed meeting all kinds of different people. I’m not working at the moment and was considering doing it again, wife was against due to Covid.
But might pick up sooner than later. No, it’s not about the money, it’s about being out and about etc. No real purpose to it in general but there are moments you can make into something i.e. conversations and things you see.
