How to make friends as an adult when you don't know how

"I don't even know how to make friends anymore"

Here is what I keep hearing, in slightly different words each time.

"I don't even know how to make friends anymore." "I have no real friends." "I'm always the one who has to make the first move." "I have absolutely nothing to say, ninety percent of the time." Some of these come from people in their twenties. Some come from people in their late thirties who watched their circle shrink as everyone paired off or moved away.

The tone is rarely dramatic. It is tired and a bit embarrassed, like someone admitting they forgot how to ride a bike. They assume everyone else got a manual they missed.

Nobody got a manual. School handed you friends by putting you in a room with them for a thousand hours. Adult life took the room away and left you to rebuild the same thing on purpose.

That is the whole problem, and it is more fixable than it feels. Let me pour you a cup and walk through it.

Why is it so hard to make friends as an adult?

You didn't lose a talent. You lost the thing that used to deliver your friends.

For most of us, friendship was never a skill we used. It was a side effect of proximity. Same classroom, same corridor, same lunch break, over and over. Take that away and friendships stop arriving by themselves. You are now doing on purpose what used to happen by accident, and nobody told you it would feel like work.

Alfred Adler, the psychologist behind Individual Psychology, counted friendship as one of three tasks every life has to face, next to work and love. He also held that the ability to care about other people, which his followers call social interest, is something a person has to develop and train. That matters here. If it can be trained, then "I don't know how" is not a verdict on your character. It describes how much practice you have had lately.

"I have nothing to say"

This one stops more friendships than any other.

When you walk into a conversation already convinced you are boring, you do the sensible thing with that belief. You say less. You wait until you have something worth saying, and the moment passes. Silence becomes a way of staying safe. Adler's followers would call it a safeguarding move, a way of protecting your self-image from a test you expect to fail.

The trouble is that the belief is a prediction, and predictions can be checked. We'll get to what happens when they are.

"I'm always the one who reaches out"

The other sentence I hear constantly. You send the message, suggest the plan, remember the birthday. You start counting. Eventually you stop, partly out of pride and partly out of quiet hurt, and the friendship fades with no one deciding it should.

Underneath the counting is usually a second belief, that reaching out makes you a bother. That one is also a prediction, and it also has data against it.

Both sentences treat a guess about what other people feel as if it were a fact. The research is blunt about how often that guess is wrong.

What the research says about making friends as an adult

Friendships take time, and adults run out of it. Hall (2018) asked people who had recently moved to estimate their time with a new acquaintance, then followed first-year students over nine weeks. In both samples, more hours together went with closer friendship. Leisure activities also predicted closeness in the first study, and everyday talk in the second. The often-quoted numbers are Hall's own estimates, as reported by his university. About 50 hours moves an acquaintance to casual friend, about 90 to friend, and more than 200 to close friend. These come from two studies of a few hundred people in all, so treat them as a rough scale. The direction is clear all the same. Closeness is built out of hours.

Your circle really does shrink, and it is not just you. A meta-analysis of 277 studies by Wrzus and colleagues (2013) found that friendship networks get smaller throughout adulthood. Life events such as starting a job or becoming a parent shift networks in similar ways. Friendship networks had also shrunk over the 35 years of data they covered. If you feel the shrinking, you are noticing something real.

Friendships fade without upkeep. Roberts and Dunbar (2015) tracked whole personal networks across 18 months of a major life transition. Family ties and friendships behaved very differently, and extra effort softened the decline in friendship quality. For women in their sample, more frequent talking protected the friendship. For men, doing more activities together did. The friends you already have are a project, not a possession.

Myth: if they liked me, they would have made the first move. The evidence points the other way. Liu, Rim, Min and Min (2023) ran a series of preregistered experiments and found that people robustly underestimate how much others appreciate being reached out to. The gap grew when the contact was more surprising, including between people who were not close. The person who hears from you is often pleased, and a little startled that you thought of them.

Myth: I'm too dull to hold a conversation with someone new. Boothby, Cooney, Sandstrom and Clark (2018) named the opposite the liking gap. After conversations, people systematically underestimated how much their partner liked them and enjoyed their company. It showed up with strangers in a lab, with dorm mates, and with people at a workshop, and it lasted for months as dorm mates got to know each other. You probably leave conversations better liked than you believe.

Talking to strangers goes better than you expect. Epley and Schroeder (2014) told commuters on trains and buses to talk to a stranger, stay silent, or commute as normal. Those who connected reported a more positive experience, and no less productive a commute. Other commuters, asked to predict, expected the opposite. Part of the reason was underestimating how interested other people are in connecting. Nobody in those studies had to be fascinating. They only had to start talking.

Put those together and a pattern shows up. The belief that stops you is a forecast, and the forecasts keep coming in too pessimistic.

What to try

1. Pick a place you can return to, not an event you attend once. Hall's work says hours matter. A weekly class, a running club, a volunteer shift or a regular board game night puts the same faces in front of you again and again, which is what friendship needs. A one-off mixer gives you ten first meetings and no second.

2. Choose something with a shared activity. Leisure activities predicted closeness in Hall's first study, and Roberts and Dunbar found that activities protected men's friendships in particular. Doing something side by side takes pressure off the talking, which helps if "nothing to say" is your problem.

3. Run the experiment on your own forecast. Next time you feel sure you have nothing to say, ask one real question and watch how the other person reacts. Before you go, write down your guess about how it will land. The liking gap research suggests you will usually be pleasantly wrong, and one real data point beats a hundred imagined ones.

4. Reach out on purpose, and keep it small. Send a two line message. "Saw this and thought of you." No agenda, no apology for the gap. The Liu research suggests the other person will value it more than you expect. You are not being needy. You are making the contribution that starts everything else, which is close to what Adler's followers mean by social interest.

5. If you are tired of being the only one reaching out, test it before you decide. Reach out three times to a person you like, a few weeks apart, and see what you get back. Some people are slow, busy or bad at starting but warm when you do. Others never meet you halfway, and that tells you where to spend your hours. Do not quit on a guess. Quit on a result.

6. Put the upkeep in the calendar. Roberts and Dunbar's finding is a reminder that friends you already have need scheduled time. Set a recurring walk, call or dinner with someone you would hate to lose. Wrzus found the shrinking circle tracks life events like a new job or a new baby, the very things that fill a calendar, and a calendar is something you control.

If loneliness has sat on you for months, or comes with low mood or anxiety that does not lift, talking to a doctor or a qualified therapist is worth doing alongside all of this.

Now the idea I would start with, today. Think of one person who made you feel easy in your own skin, someone you drifted from by accident rather than by argument. Send them two lines this evening. Of everything above, it costs the least and has clear evidence behind it. It also turns "I don't know how" into "I just did" in about a minute.

Sources

• Adler, A. (1931). What Life Could Mean to You. Little, Brown.
• Ansbacher, H. L., & Ansbacher, R. R. (Eds.). (1956). The Individual Psychology of Alfred Adler. Basic Books.
• Boothby, E. J., Cooney, G., Sandstrom, G. M., and Clark, M. S. (2018). The liking gap in conversations: Do people like us more than we think? Psychological Science, 29(11), 1742 to 1756. https://doi.org/10.1177/0956797618783714
• Epley, N., and Schroeder, J. (2014). Mistakenly seeking solitude. Journal of Experimental Psychology: General, 143(5), 1980 to 1999. https://doi.org/10.1037/a0037323
• Hall, J. A. (2018). How many hours does it take to make a friend? Journal of Social and Personal Relationships, 36(4), 1278 to 1296. https://doi.org/10.1177/0265407518761225. The 50, 90 and 200 hour estimates are as reported in the University of Kansas news release of 6 March 2018: news.ku.edu.
• Liu, P. J., Rim, S., Min, L., and Min, K. E. (2023). The surprise of reaching out: Appreciated more than we think. Journal of Personality and Social Psychology, 124(4), 754 to 771. https://doi.org/10.1037/pspi0000402
• Roberts, S. B. G., and Dunbar, R. I. M. (2015). Managing relationship decay: Network, gender, and contextual effects. Human Nature, 26(4), 426 to 450. https://doi.org/10.1007/s12110-015-9242-7
• Wrzus, C., Hänel, M., Wagner, J., and Neyer, F. J. (2013). Social network changes and life events across the life span: A meta-analysis. Psychological Bulletin, 139(1), 53 to 80. https://doi.org/10.1037/a0028601