For nearly 2 million years, our ancestors survived and thrived and spread across the planet because they could run other mammals into heat exhaustion.

We say the rarajipari is the game of life, ' Angel said. 'You never know how hard it will be. You never know when it will end. You can't control it. You can only adjust.

We've created an unnatural form of running. It's not just the shoes, but we run on artificial surfaces - straight ahead, hard and steady - instead of speeding up and slowing down, reacting to the terrain with changes of pace and rhythm.

it’s easy to get outside yourself when you’re thinking about someone else.

Only recently have we come up with the technology to turn lazing around into a way of life. We've taken our sinewy, durable, hunter-gatherer bodies and plunked them into an artificial world of leisure.

When I'm out on a long run," she continued, "the only thing in life that matters is finishing the run. For once, my brain isn't going blehblehbleh all the time. Everything quiets down, and the only thing going on is pure flow. It's jus time and the movement and the motion.That's what love--just being a barbarian, running through the woods.

Were designed for persistence hunting, which is a mix of running and walking. Whats built into that kind of running is a sense of pleasure. You are designed and built and perfect for this activity, and it should be enjoyable and fun.