The following Mark's Daily Apple article was written by Mark Sisson, and is narrated by Tina Lehman.

Do you look primal?

I don't refer to chisel dab's prominent shoulder striations and bulging calves that draw queries from failed actors.

I'm not talking about loincloths or furtogas or wild uncombed hair and scraggly beards, or any of the other aesthetic choices paleo reenectors make.

In fact, this isn't about your appearance at all.

It's about how you're using your eyes to look at the world.

I mean, are you using your eyes in an evolutionarily congruent fashion?

Do you look primal?

First, let's explore just how Grock would have used his eyes. There was close-up looking,

tool-making and manipulation, arts crafts and jewelry production, preparing the weapons of the hunt,

notching arrows, stringing bows, sharpening axes and blades, starting fires, and discerning

between edible and inedible plants.

There was far off looking, gazing at the sunset or sunrise, observing herds and gauging their

trajectory, spotting prey off in the distance, from a ridge half a mile up regarding the valley below

and a path through it to the other side.

Viewing layers of hills stacked against one another, getting bluer as they stretch toward the horizon,

and watching birds overhead.

Throughout it all, there was a lot of gaze shifting.

There was no staring at a leaf for six unblinking hours

straight. Tool production was protracted, but not a daily occurrence. Vision frequently shifted

between both near and far objects and back again. The muscles controlling the eye moved a lot.

Move frequently at a slow pace applies to the entire body.

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