Natural Movement is the universal workout the world has forgotten. - Erwan Le Corre

If you want to become a force of nature, you need to interact with the forces of nature.

Do we function in sets of ten in the wilderness? How do we know how long we will have to do something?

You never see your dog running nonstop around and around in a circle for an hour. If he did, you'd think there was something wrong with him. Instead, he'll chase something, roll around, sprint, rest, mix things up. Animal play has a purpose, and it's not hard to surmise that human play should as well.