Dogs and humans have co-evolved[0] for approximately 30,000 years[1] (for reference, agriculture is only 10-15k years old[2]). Human-dog gaze can cause the same

Dogs and humans have co-evolved[0] for approximately 30,000 years[1] (for reference, agriculture is only 10-15k years old[2]). Human-dog gaze can cause the same effect as parent-child gaze. [0] http://science.sciencemag.org/content/348/6232/333 http://science.sciencemag.org/content/348/6232/333 [1] https://en.wikipedia.org/wiki/Origin_of_the_domestic_dog https://en.wikipedia.org/wiki/Origin_of_the_domestic_dog [2] https://en.wikipedia.org/wiki/Agriculture#History https://en.wikipedia.org/wiki/Agriculture#History