We have never been more comfortable at home, and we have rarely been lonelier, and I don’t think that’s a coincidence. Over a couple of generations we quietly privatized comfort — moved it out of shared public rooms and into the individual home — and in doing so we solved the problem of private coziness so completely that we forgot there was ever a public kind, and now we’re suffering the specific loneliness that only public coziness ever cured, and treating it as a personal failing rather than an infrastructure we tore out. I want to make the case that a warm home and a warm public room are not substitutes, that you can have a perfect private comfort and still starve for the public kind, because they feed different hungers.

Look at what we did, because it’s a genuine achievement with a hidden cost. The home used to be comfortable but limited — you went out for things: the cinema for a film, the pub for a drink and company, the café for coffee and warmth, the third place for casual society. Now we’ve brought all of it inside. The home cinema is better than the theatre. Delivery is easier than the restaurant. Streaming beats going out. The home has become a total comfort environment, a private paradise where every need the public sphere used to serve is now served better, cheaper, and without pants. And this is real progress on the axis of private comfort — our homes genuinely are more pleasant than any generation’s before. But we financed that private paradise by defunding the public one, and we’re only now getting the bill.

Because here’s the thing the private paradise can’t provide, no matter how warm it gets: the comfort of being among people you didn’t choose, casually, in a shared space, with no agenda. That’s a specific and irreplaceable good, and it only exists in public. Your cozy home gives you solitude and intimacy — real goods. But it structurally cannot give you the third-place experience: being alone-but-among-others, seen by acquaintances, part of a room, exposed to the casual unplanned society of strangers and regulars who aren’t your close people but are your people in the looser, wider sense a community is made of. That warmth — public, ambient, low-stakes, unchosen — is a different nutrient entirely, and a perfect private home no more supplies it than a perfect meal supplies water. You can be maximally cozy at home and still dying of the particular thirst that only a public room slakes.

And we keep misdiagnosing the resulting ache as a private problem with private solutions. We feel the loneliness and we optimize the home harder — a better couch, a bigger screen, a more perfect nest — applying more private comfort to a public-comfort deficiency, which is like drinking more water for a vitamin shortage. It doesn’t work, and it can’t, because the thing missing was never available at home. The loneliness epidemic isn’t mainly about people lacking close friends, though that’s real too. It’s substantially about the collapse of casual public belonging — the third places priced out and shuttered, the ambient society of the café and the diner and the corner replaced by delivery and streaming and the perfected private nest — leaving people with warm homes and no public room to be lonely-together in. We privatized the comfort and kept the couches and lost the commons, and the commons was doing work we didn’t know it did until it was gone.

So if you’re cozy at home and still, somehow, aching — you’re not broken, and the answer is not a better blanket. The answer is public: go be alone-among-others somewhere, in a café, a library, a bar, whatever third place your neighbourhood has left, not to make friends exactly but to receive the specific nutrient of casual public belonging that no private paradise can synthesize. And more than that —protect those places, spend money in them, choose the lingering public room over the efficient private delivery sometimes, because we’re one lease at a time away from a world that’s all warm homes and no warm commons, and that world will be more comfortable than any before it and lonelier than we can yet imagine. We privatized comfort. It worked. That’s the problem.