My 7 day average RHR is 42-43.

If pushed I would say it’s 80% content mind and 20% general health.

I have no stress, I am content, I am challenged daily, I have full voluntary emotional control. There is nothing for which I am left wanting.

I’m not really interested in chasing owning/having material things. I do things because they are satisfying to me.

I don’t obsess about health, I don’t follow any rigorous plan or regime other than occasional spontaneous fun.

This seems to work.