Why Do We Actually Keep Pets? 5 Surprising Truths About Our Animal Obsession
We spend billions on them, mourn them like family, and fuel a digital economy built on "animal odd couple" videos. Whether it’s Koko the gorilla cradling a kitten or an Asian elephant befriending a dog, these cross-species attachments are our favorite clickbait. Yet, from an evolutionary lens, pet-keeping is a profound paradox. As researcher James Serpell famously noted, pets are animals we live with that have "no apparent function." They don't give us milk, they don't provide wool, and most of them are terrible at catching burglars. Why do we invest such massive resources into creatures that don't help us survive? While we often assume our love for animals is a hard-wired human universal, the reality is far more selective. This article explores whether our animal obsession is a biological adaptation designed for our benefit or a curious byproduct of our culture—a "social meme" that effectively hacked our brains. We Are the Only True "Pe...