The Man and His Dog

Why People Love Dogs
It's more complicated than you think.
By Jon Katz

We love our dogs. A lot. So much that we rarely wonder why anymore.
John Archer, a psychologist at the University of Central Lancashire, has been puzzling for some time over why people love their pets. In evolutionary terms, love for dogs and other pets "poses a problem," he writes. Being attached to animals is not, strictly speaking, necessary for human health and welfare. True, studies show that people with pets live a bit longer and have better blood pressure than benighted nonowners, but in the literal sense, we don't really need all those dogs and cats to survive.
Archer's alternative Darwinian theory: Pets manipulate the same instincts and responses that have evolved to facilitate human relationships, "primarily (but not exclusively) those between parent and child."

They dance with joy when we come home, put their heads on our knees and stare longingly into our eyes. Ah, we think, at last, the love and loyalty we so richly deserve and so rarely receive. Over thousands of years of living with humans, dogs have become wily and transfixing sidekicks with the particularly appealing characteristic of being unable to speak. We are therefore free to fill in the blanks with what we need to hear. (What the dog may really be telling us, much of the time, is, "Feed me.")

As Archer dryly puts it, "Continuing features of the interaction with the pet prove satisfying for the owner."
It's a good deal for the pets, too, since we respond by spending lavishly on organic treats and high-quality health care.
Psychologist Brian Hare of Harvard has also studied the human-animal bond and reports that dogs are astonishingly skilled at reading humans' patterns of social behavior, especially behaviors related to food and care. They figure out our moods and what makes us happy, what moves us. Then they act accordingly, and we tell ourselves that they're crazy about us.

"It appears that dogs have evolved specialized skills for reading human social and communicative behavior," Hare concludes, which is why dogs live so much better than moles.

If the dog's love is just an evolutionary trick, does that diminish it? I don't think so. Dogs have figured out how to insinuate themselves into human society in ways that benefit us both. We get affection and attention. They get the same, plus food, shelter, and protection. To grasp this exchange doesn't trivialize our love, it explains it. [Slate.com]

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