You Can Only Have 5 Besties At One Time

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You Can Only Have 5 Besties At One Time, According To Science.

Bad news for Taylor Swift: According to the MIT Technology Review, our brains are only capable of having up to five best friends at a time.

Dunbar determined that people are only capable of having a finite number of friends due to the size of our neocortex, which is a subsection of our cerebral cortex. Specifically, we’re only able to have five best friends, another 10 close friends, 35 acquaintances, and 100 additional contacts.

Dunbar recently tested out his theory some more by examining 6 billion phone calls made by 35 million people in an anonymous European country. His team of researchers chose to examine phone calls from the year 2007 because it largely predates the popularity of smartphones and social media, which would skew the results.

“The team assumes that the frequency of calls between two individuals is a measure of the strength of their relationship,” says the MIT Technology Review. The study found that Dunbar’s estimate was not too far off: “The average cumulative layer turns out to hold 4.1, 11.0, 29.8, and 128.9 users,” researchers found – again, that’s besties, close friends, acquaintances and “contacts” respectively.

So even though Tay’s squad might seem to run hella deep, girlfriend only has between 4.1 and 5 BFFs. And TBH, that seems like more than enough.

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