One look is all you need to understand the enduring bond between humans and dogs.
Domestic dogs, unlike their wild wolf cousins, are adept at non-nonverbal communication with humans, and a lot of eye contact happens between dogs and their owners. But there’s more to that gaze than meets the eye: When owners and their dogs stare into each other’s eyes, levels of oxytocin — the so called “love” molecule — spike in the bloodstream of both man and dog.
