The Role Of Play In Adult Friendships

Let's talk about what play actually is, why adults stop doing it, what it does in relationships that nothing else does, and how to build it back in without it feeling forced.

What play actually is

Play is often defined as activity done for its own sake, with intrinsic motivation rather than external goal, with a quality of absorption and freedom from self-consciousness. That definition applies whether you're a four-year-old building with blocks or two adults trash-talking each other over a card game.

Stuart Brown, who spent decades studying play for the National Institute for Play, identified several properties: it's apparently purposeless in the instrumental sense, it's voluntary, it has inherent attraction (it draws you in), it has freedom from time (you lose track of it), it involves diminished self-consciousness, and it has improvisational potential — you can go wherever the moment takes you.

The last two properties are the ones that matter most for adult friendship. Diminished self-consciousness means you're not managing your image as carefully. You're less in your head, less performing. Improvisational potential means the interaction isn't scripted — something surprising can happen, and you both get to respond to it in real time. These properties create a quality of presence and mutual exposure that deliberate conversation rarely reaches.

Why adults stop playing

The cessation of play in adulthood is partly structural and partly cultural. The structural problem: adult life has scheduled much of the time that used to be unstructured. Work takes most of the week. Obligations fill the margins. The time that used to be available for aimless exploration — an afternoon, a summer, a weekend with no plan — gets allocated to things that feel more pressing.

The cultural problem: adult seriousness is valorized in ways that make play feel like a regression. "We're not kids anymore" is used to dismiss anything that doesn't have a clear purpose. Leisure gets rebranded as self-care and optimization and content creation, which reintroduces productivity into what should be play. Even exercise gets serious — tracking metrics, improving performance. The pure, purposeless, absorbing quality of actual play gets squeezed out everywhere.

There's also a social vulnerability problem. Play requires a degree of willingness to look foolish. Children don't think twice about this. Adults have years of experience with judgment and reputation, which makes looking foolish feel high-stakes. The self-consciousness that play is supposed to diminish is exactly what adulthood has trained you to maintain.

The combined effect is that most adults don't play at all in the way they did as children, and the loss is significant — not just for wellbeing but for the depth of their relationships.

What play does in relationships specifically

The bonding effect of shared play is partly neurochemical. Play and laughter trigger dopamine (reward and motivation), oxytocin (bonding and trust), and endorphins (pain relief and mood elevation). They suppress cortisol. They put the nervous system into a state of engaged relaxation — which is actually the optimal state for social bonding.

The serious-conversation register, while important, doesn't reliably create this state. Deep talks about hard things can bond people, but they can also leave both parties feeling somewhat depleted. Play bonds people and leaves them feeling better than when they started. The cumulative effect of consistently feeling better after spending time with someone is one of the primary things that makes a friendship feel essential.

Play also provides a specific kind of mutual exposure. When you play a game with someone, you watch how they handle winning, losing, frustration, strategy, risk, and surprise. These are windows into character that polite conversation doesn't open. When you make something together, you see how the other person works, adapts, stays in it through difficulty, celebrates partial success. When you do something physically active together — hike, play sports, dance badly — you're in each other's bodies in a way that creates familiarity at a level that conversation alone can't.

The inside joke is a particularly interesting artifact of play. Inside jokes are references to shared moments of playful absurdity that both parties can invoke to immediately re-access the emotional state of that moment. They function like relational shortcuts — compression algorithms for shared history. A friendship dense with inside jokes is a friendship with a lot of shared history built around laughter, which is one of the better things a relationship can be made of.

The specific forms of adult play

Play doesn't have to look like playground games. It takes many adult forms, and the form matters less than the properties: voluntary, absorbing, involving diminished self-consciousness, with room for improvisation and shared surprise.

Games. Board games, card games, video games, sports. The structure of a game provides an easy vehicle for play because it creates a shared context, defines the terms of engagement, and provides built-in stakes that don't actually matter, which is the ideal conditions for play. People who have a standing game night often describe it as one of their most reliably good social experiences.

Making things together. Cooking, building, making music, making art, gardening. The making provides structure and shared focus, which takes the pressure off conversation while still creating intimacy through collaboration.

Absurdity and silliness. The form of play that most adults are most reluctant to engage in because it most explicitly requires willingness to look foolish. This might be an elaborate inside joke, a ridiculous tradition, an intentionally terrible shared project, a game that has no stakes and no purpose beyond making each other laugh. This form of play tends to create the strongest bonding because the vulnerability it requires — being silly together — is genuinely high for adults, and successfully doing it signals a significant level of trust.

Exploration. Going somewhere neither person has been, trying something neither person knows how to do, putting yourselves in a situation where you're both beginners together. This creates shared novelty and shared uncertainty, which engages the nervous system in ways that familiar routine doesn't.

Improvised play. The form that's hardest to plan for but often most bonding — the moment where something just becomes funny, where you both go with a bit, where you find yourselves building something together in the moment. This happens most easily in relationships where both people are relaxed enough to let it happen. Forcing it doesn't work. Creating the conditions for it does.

Why it feels forced when you try to reintroduce it

If you've been in a friendship that's mostly been about catching up and supporting each other, and you try to introduce play, it can feel stilted. You suggest a game and suddenly everyone's slightly awkward about it. The bit you try to start lands flat. The whole thing feels self-conscious.

This is because play requires the absence of self-consciousness, but deliberately trying to play introduces self-consciousness about whether you're playing right. The way out is to choose a context where the play is built into the situation — games that provide structure, activities that provide shared focus — so that the play emerges from the context rather than having to be manufactured.

The other thing that helps is history. Play becomes easier as shared history accumulates. The fifth time you play a game together is more playful than the first. The third silly tradition is more natural than the first. It compounds. This is why people who've maintained playful friendships for years seem to have a quality of ease and laughter that's hard to replicate quickly. They built it over time.

Building it into your actual relationships

The prescription is not complicated. Pick a format that has the play properties: a game, an activity, a tradition, something that gives both of you permission to be absorbed and unselfconscious. Put it on a recurring schedule. Protect it.

The calendar is important because the thing that most reliably kills adult play is the priority hierarchy that puts everything purposeful above everything fun. A recurring event has a better chance of surviving that hierarchy than something you'd have to spontaneously generate each time.

Within the event, don't manufacture the play. Create the conditions — the game, the activity, the tradition — and let what happens, happen. Some sessions will be funnier than others. Some will feel more like work than play. The accumulation across sessions is what creates the bond, not any individual instance.

The simplest version: find the one thing that you and a specific friend find genuinely fun to do together, and make it recurring. That's the whole practice. The effects compound in ways that most adults don't realize they're missing until they experience the difference between a friendship that has this and one that doesn't.