I eat meat. I eat vegetables. I eat fruits and nuts. That's pretty much it. "You're a farmer, so you obviously eat grains too, right?"
Cows eat grass, not diesel fuel and corn.
The thing is that truly healthy human diets can effectively *only* be produced in permaculture systems.
This realization could take you down a wormhole, much as I was forced to venture, but the consciousness on the other side is fantastic.
Here's a video interview of Robb Wolf, a leading advocate explaining a small part of the puzzle.