And the average person 10,000 years ago, 12,000 years ago, had twice the bone mass and twice the rough strength of our top athletes today. Now, you could say we've mentally, our brains have gotten bigger, but in the last 500 years industrialization, actually that's not happening. Our IQs are dropping. We're getting weaker. We're getting lazier. We're getting stupider because we're not out there actually carrying out tasks that aren't just... Physical, the physical's also tied to the mental. And I'm not up here saying I'm some paragon of being a physical Adonis or some specimen, because it's not just physical degeneration we've seen.