It's widely hypothesized that dogs anthropomorphized themselves, so to speak, accentuating their expressive eyes and eyebrows over generations to be more human-like in how they communicate. And very few humans today view their dogs as pure working tools -- most at least say "good boy".
It's widely hypothesized that dogs anthropomorphized themselves, so to speak, accentuating their expressive eyes and eyebrows over generations to be more human-like in how they communicate. And very few humans today view their dogs as pure working tools -- most at least say "good boy".