From school friends to lifelong connections: Why friendship changes in every decade of your life

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Friendship can be one of the most comforting parts of our lives and still bring out feelings we’re embarrassed to admit: jealousy, resentment and the suspicion that everyone else has a closer group.

Mostly, we’re reluctant to change and see new ways in our friendships as negative problems instead of positive evolutions. 

We wouldn’t expect our lives to look the same at 45 as they did at 25, so why do we expect our friendships to run on the same rules? From comparison in your 20s and clashing schedules in your 30s to outgrown roles in your 40s, uneven effort in your 50s and starting again in your 60s, staying close can mean changing how you show up.

Natalie Buchwald, founder of Manhattan Mental Health Counseling., explains the difference each decade can make.

These aren’t fixed stages. Career changes, parenthood, caring responsibilities and fresh starts happen at different ages, if at all. But each decade offers a way to explore the pressures that can change what we need from friends. 

In your 20s: ‘Im happy for you. Why do I feel so bad about myself?’

Your friend gets the job, moves in with her partner or books a holiday that costs more than your rent. You send an enthusiastic voice note, then feel strangely deflated. You might question whether you’re unsupportive. But you can be pleased for someone and disappointed about something you want for yourself. 

Friends can become the people against whom you measure progress. You may have left education together, only to discover that salaries, relationships and opportunities develop at different speeds. 

Good news can also touch an existing insecurity: her promotions bring your frustration at work into focus; her relationship sharpens your loneliness. Meanwhile, friendship that once happened through lectures, shared houses and the same pub require deliberate planning. 

The challenge is allowing friends to move forward without treating their progress as evidence that you’re falling behind. 

In your 30s: ‘When did seeing you become a six-week negotiation?’

One friend wants a spontaneous weekend away. Another needs childcare and a clear budget. Someone is having fertility treatment. Someone else is newly single and tired of conversations about weddings.  

You can love each other while having different ideas of a good time. Different life paths expose assumptions: that the person without children will always travel, the higher earner will spend more, or someone in a relationship needs less support.

Practical limitations can start to feel personal. ‘I can’t do that evening’ becomes ‘You’re no longer important to me.’ The person cancelling may feel nothing they can offer is enough. 

Staying close may require clearer conversations about time, money and what friendships can realistically look like now.

In your 40s: ‘Do you know me now, or just who I used to be?’

An old friend remembers your worst haircut and first heartbreak. That history can be reassuring, but it can also make change difficult. Perhaps you have always been the listener, organiser or one who jokes instead of admitting something hurts. Those habits can become expectations. 

The reliable friend starts saying no. The self-deprecating friend stops finding the teasing funny. The person who shared everything becomes more private. Without a conversation, one person may feel rejected while the other resents being expected to behave as they did years ago. 

Work and caring responsibilities can make tensions easy to postpone. You avoid raising an irritation during your one evening together, then feel less keen to arrange another. 

The question is whether the friendship has room for who you are now, alongside your shared history. 

In your 50s: ‘Would we still be friends if I stopped making the effort?’

You may realise several friendships depend on you sending the first message. Changing responsibilities can create space to notice this or make the effort harder to sustain. There is a difference between a temporarily uneven friendship and one that has relied on the same person for years. 

Someone navigating illness, grief or difficulties at home may struggle to initiate plans while still caring deeply. But if your needs are repeatedly overlooked, it is reasonable to want change. History can make this difficult to raise. You may feel ungrateful questioning someone who supported you in the past. 

Before withdrawing to see whether they notice, explain what has become difficult. Their response can help you understand what they can offer and whether they are willing to address it. 

In your 60s and beyond: ‘How do I make friends when everyone seems to have their people?’

Believing friendships should be settled by a certain age can make starting again feel exposing. Retirement can remove daily conversations. Moving, bereavement, health changes or a relationship ending can alter your social circle and confidence. 

You may miss casual contact as much as big occasions: someone to mention your morning to or a familiar face who notices your absence. Making friends can bring back familiar worries. Was that invitation too keen? Would suggesting another meeting be awkward? 

There is no age at which wanting a new friend becomes unreasonable. Closeness can begin with seeing someone regularly and gradually having more to say.

Does friendship ever get easier?

It can, but there’s no birthday after which everyone becomes considerate and excellent at replying. A smaller circle or less frequent contact doesn’t automatically mean less closeness. What helps is understanding your needs and expressing them, whether that means more one to one time or less expensive plans. 

A buzzing group chat isn’t the only sign of friendship, but ‘low maintenance’ shouldn’t mean you can’t ask for support. Friendship can feel easier when you discuss expectations instead of hoping someone will guess them.