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Friendship science

Why Shared Activities Help New Friendships Start

Shared interests do not automatically make two people friends. Shared activities can, however, make it easier for people to spend time together and find something worth.

By g3t Editorial Team · 2026-10-23 · 5 min read

Shared interests do not automatically make two people friends. Shared activities can, however, make it easier for people to spend time together and find something worth discussing. The distinction is important: matching a list of hobbies is not the same as building a relationship through actual experiences.

Evidence from new friendships

Jeffrey Hall studied new acquaintances among people who had moved recently and first-year university students. His research found associations between time together, leisure activities, forms of everyday talk and growing closeness. These are findings from specific samples, not proof that one category of hobby creates friendships more efficiently than another.

The research suggests that activity is valuable partly because it gives people time and subject matter. A walk creates a shared route, a cooking session invites collaboration, and a game produces small moments of humor or teamwork. Participants have something to do even if conversation is initially tentative.

Why a perfect personality match is not necessary

Two people may have very similar profiles but incompatible schedules or little desire to follow up. Conversely, people with different backgrounds might enjoy doing one thing together regularly. Research on closeness, including Aron and colleagues' structured-conversation experiment, shows that interaction itself can shape how people feel; it does not establish that algorithmic similarity is sufficient for real friendship.

You do not need to abandon compatibility. Shared values, respectful behavior and mutual interest matter. The practical correction is to treat similarities as a reason to begin a conversation, not evidence that closeness already exists.

Design activities that allow conversation

Some activities create natural pauses; others leave no room to talk until the end. A museum visit can include a discussion between galleries. A game night offers breaks between rounds. A running group may be social at an easy pace but difficult for someone who is struggling to keep up. Choose a format that suits participants' skills and energy, and let people know what to expect.

Small groups may be more manageable for introductions, but there is no research-based universal optimal group size here. The best size depends on space, activity, individual preferences and whether everybody can participate safely and comfortably.

Move from shared activity to shared history

The second meeting is often easier when it continues an existing experience. If you met at a book event, suggest discussing another book. If you walked together, propose a nearby route. Remember a detail from last time and follow it up. Repetition lets people see not only what they enjoy but how they behave, listen and make plans.

Useful steps

  • Choose activities you would enjoy even without an immediate friendship.
  • Prefer some recurring sessions over a calendar of only one-off events.
  • Make room for informal conversation before or after the main activity.
  • Ask a specific person or small group about an obvious follow-up.
  • Watch for mutual enthusiasm, not just politeness.

Activities do not replace trust. They create opportunities for trust to form through time, attention and reciprocity.

Why activities change the first few minutes

At an event that has no shared purpose, introductions can become a rapid exchange of biographical information: job, hometown, arrival date, neighborhood. These questions are not wrong, but they may leave people unsure what to say next. An activity provides immediate material: how a game works, which route to take or what someone thought of a painting. This shifts attention from presenting oneself to doing something together.

The advantage is practical, not magical. A difficult activity can make newcomers feel exposed if rules are unclear or insiders dominate. A simple shared task with patient facilitation may feel more welcoming. Organizers can help by explaining the plan, making participation optional where possible and giving people room to learn without embarrassment.

How to tell whether a format encourages connection

Look at the flow of the event. Does it include moments when participants can speak? Is everyone fixed in an audience arrangement, or will people work in pairs or small groups? Can somebody new join without existing contacts? Is there a natural next session? For example, a film screening may offer very little conversation during the film but plenty of material for a short discussion afterward. A recurring cooking workshop may allow participants to collaborate while learning skills.

The best choice varies with personal comfort. Some people prefer a quiet museum route; others enjoy a fast-paced team sport. The shared-interest benefit appears when people find an activity genuinely worthwhile, not because a platform labels it friendship-building.

Do not confuse shared interest with guaranteed compatibility

Two people can both love music and still prefer different social rhythms, ways of communicating or levels of personal disclosure. Common interests give them an opening, not proof that they will become friends. This is why the second encounter can be informative: do they enjoy one another beyond the first novelty? Do invitations and responses feel mutual? Do both want to return?

Research on time and shared leisure suggests opportunities for interaction matter, but it does not rank every activity or guarantee an outcome. The defensible practical advice is simple: choose a shared activity you would gladly repeat, notice who you enjoy talking with and leave the next step optional.

Sources & references

  1. How many hours does it take to make a friend? — Hall (2018/2019)
  2. The Experimental Generation of Interpersonal Closeness — Aron et al. (1997)

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