When a human and a dog gaze into each other's eyes, both of them release oxytocin โ the same hormone released between a human mother and her infant during nursing โ and Japanese researchers reported in 2015 that this cross-species chemical feedback loop appears to be unique to dogs and their humans and does not occur in wolves
The bond between dogs and their humans triggers the same neurochemical cascade that cements a mother's attachment to her newbornโa connection thโฆ