#2195 - Andrew Huberman

640.172 - 657.981 Guest

And the amazing thing is that when you start looking at the different breeds, it was basically humans selecting on the basis of mostly behavior and phenotype shape and thinking, oh, like I want a smaller dog that will just sit near me or I want a small dog that will that will like kill rats and sit near me. No, I want a big dog that's going to guard. So you start breeding for pain tolerance.