May 2, 2026

What Your Earliest Friendships Did to How You Love

You blamed your mother for the way you love.

Most of us have, at some point. The way you flinch when a partner gets close. The way you keep rehearsing the leaving before it happens. The way you read tone a beat too quickly. It feels like proof of where it began.

A new longitudinal study followed 1,364 children from infancy into their late twenties. Researchers led by Keely Dugan at the University of Missouri then asked the grown-up versions of those kids about their parents, their best friends, and the people they fell in love with. The question underneath the study was a quiet one. Which early bond did the most shaping?

Mothers mattered. Warmth and lower conflict in early childhood predicted how secure people felt in adult relationships across the board. That part of the inheritance is real. But for romantic relationships and adult friendships in particular, early friendships did more shaping than mothers did. Childhood friendship quality accounted for about 4 percent of the variance in adult romantic and best-friend attachment anxiety, and 10 to 11 percent in avoidance. The kids who learned what mutual care felt like at eight, eleven, fifteen carried that learning forward more directly than what they learned at the dinner table.

It does not erase the mother-shaped parts of you. It changes the math. The verdict is not unanimous. The court was bigger than you thought.

What this means for you

You were not handed a finished blueprint. Some of you was given to you. Some of you was built on bedroom floors, in school cafeterias, in the small loyalty tests of childhood friendship. You are not only your mother's daughter or son in the way you love. You are also whoever first showed you that being known did not have to hurt.

This is gentler news than it sounds. The parts of you that were inherited can be examined. The parts you built can be built differently now. The repair work is not all aimed backward at one person who tried with what she had. Some of it is aimed sideways, at the way you let people get close to you today, at the kind of friend you choose to be tomorrow.

The landing

You were also a builder. You still are.

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What prompted this: How Childhood Relationships Affect Your Adult Attachment Style, according to Large New Study – Scientific American

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