Science says the difference between a friend and a best friend comes down to two things

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• Friends are important for health and happiness — but they don't just materialize out of thin air.
• A new study suggests it takes 50 hours before an acquaintance becomes a casual friend; 90 before they become a friend; and more than 200 before they become a best friend.
• During that time, conversations focus on catching up and meaningful issues — not small talk.

Teaching someone how to make friends is like teaching someone how to ride a bike — you say this, you put your foot here, do you get it now?

That is to say, it's all kind of intuitive: When it's working, you'll know.See the rest of the story at Business Insider

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SEE ALSO: There's a limit to how many close friends you can realistically have at once