Why Do We Love People Who Look Like Us?

Imagine you're playing a game, and the person next to you looks just like your best friend. You feel like you can trust them right away, that's in-group bias. It’s like when your brain says, 'Hey, this person is one of us!' because they look or act similar to people you already know and love.

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Examples

You see a kid with the same freckles as your brother, and you instantly feel like you know them.
A teacher smiles at you because they have the same nose shape as your mom, it feels familiar.
Your friend’s cousin looks just like them, and that makes you want to say hello.

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Categories: Psychology · bias· similarity· love· brain· psychology