There’s a person you’ve probably watched at a restaurant. Sitting alone. A book, or just a coffee, or nothing at all. No phone held up as a shield. Not waiting for anyone.
Most people, seeing this, feel a flicker of something. Sympathy, maybe. A small assumption that the person couldn’t find anyone to come with them.
That assumption is almost always wrong. And the research on solitude suggests it’s not just wrong — it’s backwards.
The person eating alone, going to the cinema alone, travelling alone, isn’t displaying a social deficit. They’re displaying a skill. And it’s a skill that, when life eventually does what life does, turns out to matter more than almost any other.
The distinction the research insists on
The single most important thing psychologists have established about being alone is that there are two completely different versions of it, and they do opposite things to a person.
There’s loneliness — solitude that’s imposed, unwanted, painful. It genuinely damages people. The health research on chronic loneliness is grim and well-established.
Then there’s chosen solitude. Time alone that a person actively wants. And chosen solitude, the research consistently shows, does the reverse of damage. UC Santa Cruz researchers found that the deciding factor is exactly that — choice: imposed solitude can be harmful, but chosen solitude contributes to personal growth and self-acceptance.
These two things look identical from the outside. A person alone is a person alone. But internally they could not be more different. One is a wound. The other is a workout.
The person you saw eating alone in the restaurant was, almost certainly, doing the second thing. And the reason it matters is what the workout slowly builds.
What being alone actually trains
Psychologists Virginia Thomas and Margarita Azmitia, who study solitude at UC Santa Cruz, have spent years mapping what time alone actually develops in a person. Thomas’s research has gone as far as identifying specific “solitude skills” — a set of internal capacities, including emotional regulation and introspection, that being alone builds and that most people are never explicitly taught.
Here’s what that means in plain terms.
When you do things alone regularly, you’re quietly forced to develop a set of internal capacities that people who are never alone can outsource. You become your own source of reassurance. You learn to make decisions without a second opinion. You learn to sit with an uncomfortable feeling without immediately handing it to someone else to help you carry. You learn to enjoy something — a meal, a view, a film — without needing another person’s reaction to confirm that it was good.
None of these sound dramatic. But together they add up to something the research calls emotional self-sufficiency. The quiet, internal capacity to be okay using your own resources.
People who never spend time alone never build this. Not because they’re weak — because they’ve never had to. Every feeling gets processed with someone. Every decision gets workshopped. Every experience gets validated in real time. It works beautifully, right up until the moment it doesn’t.
Why this matters more than it sounds
Here’s the part the restaurant onlooker never considers.
Life, eventually, removes people.
Not as a possibility. As a certainty. Friends move away. Marriages end. Parents die. Children grow up and build lives that don’t have daily room for you in them. Partners, statistically, are outlived. Everyone who lives long enough will, at some point, face a stretch of life with fewer people in it than they’re used to.
When that happens, the person who built emotional self-sufficiency and the person who didn’t face completely different experiences.
The person who never developed it experiences the loss as a kind of freefall. The internal floor was never built, because there were always people to stand on instead. When the people go, there’s nothing underneath.
The person who spent years comfortably doing things alone experiences the same loss — and it still hurts, enormously — but they don’t freefall. There’s a floor. They’ve stood on it before. They know, from thousands of small ordinary experiences of being alone and being fine, that they can be alone and be fine. The grief is just as real. But it’s survivable in a way it isn’t for someone who never built the floor.
This is what the research means when it says solitude builds resilience. It isn’t abstract. It’s the specific, practical difference between weathering loss and being destroyed by it. A study of senior living residents — average age 83 — found that those with positive motivations for spending time alone reported significantly higher psychological wellbeing than those whose solitude was driven by negative reasons.
What it isn’t
It’s worth being careful here, because this idea gets misused.
Emotional self-sufficiency is not the same as not needing anyone. It’s not a recommendation to withdraw, to stop depending on people, to treat relationships as optional. The research is clear that strong relationships are one of the largest contributors to a good life. None of that is in dispute.
The point is subtler. The healthiest position isn’t choosing between connection and self-sufficiency. It’s having both. People with genuine emotional self-sufficiency tend to have better relationships, not worse ones — because they’re choosing to be with people rather than needing to be, and that changes the quality of everything.
The person eating alone in the restaurant probably has people. They’re just not dependent on those people being present every waking moment in order to feel okay. That’s not coldness. It’s a kind of freedom.
What you can do with this
If reading this made you slightly uncomfortable — if you realised you genuinely can’t remember the last time you did something meaningful alone, on purpose — that discomfort is worth listening to.
The skill is buildable, at any age. It’s built exactly the way the people who have it built it: through small, ordinary, unspectacular experiences of being alone and discovering you were fine.
Take yourself to lunch with no phone. Go to a film alone. Sit with a difficult feeling for ten minutes before reaching for someone to help you hold it. Make one real decision this week without asking anyone.
It will feel strange the first few times. That strangeness is the muscle waking up.
You’re not building a life without people. You’re building the floor underneath the life you have — so that when life does what life always eventually does, you’re standing on something.
The people who do things alone aren’t the ones to feel sorry for. They’re the ones who quietly got ready.
