> "Paradoxically, it is hard work that explains hunter-gatherer laziness. In humans, a species hard-wired for work, laziness is not a luxury, it’s a necessity:

> "Paradoxically, it is hard work that explains hunter-gatherer laziness. In humans, a species hard-wired for work, laziness is not a luxury, it’s a necessity: we must relax and save energy when we can." Sprint, relax, repeat?