Before I speak, I have something important to say.
I used to spend all my school holidays cycling around, so all this training has made me feel like a kid again.
A human being at rest runs on 90 watts. That's how much power you need just to lie down. And if you're a hunter-gatherer and you live in the Amazon, you'll need about 250 watts. That's how much energy it takes to run about and find food.
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