Source: Nicole Karlis, SALON, 10/10/21

Any dog owner knows how hard it is to leave their pup for an extended period of time. We wonder: Do they miss us when we're gone? Do they know how long we've been gone for? Or even worse, do they think we've abandoned them? The way humans are excitedly greeted by their dogs upon return — and the way many whine when we leave — suggests they recognize our absence, and mourn it. However, it's hard to know what is really going on in a dog's brain — perhaps they just miss the food we give them?

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