And a lot of luck. These are all statistical correlations, there are bound to be outliers.

Those correlations might imply causations as well. Just because we can't (yet) tell for sure, we cannot reliably attribute the phenomenon to luck either.

Fasted by default, heat and cold exposure every day, carnivore diet if he only ate rotten meat.

But porcupine was best. I mean, say what you will, he still had a discerning palate.

hmm Warren Buffett and Charlie Munger have famously horrible diets yet sill fully active at 91. I think a lot of it comes down to genes. Some people simply do not suffer from the ravages of age compared to others even when they seemingly break the rules.