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Dr. Carolyn Parkinson, a cognitive scientist at the University of California, Los Angeles, says, “I was struck by the exceptional magnitude of similarity among friends.” One study suggests friends might be similar in how they pay attention to and process the world around them. That means, she says, “shared processing could make people click more easily and have the sort of seamless social interaction that can feel so rewarding.” (3)
A best friend gives us a sense of comfort so paramount that we tend to seek and turn to them first, often over our own families. One study explains individuals, particularly teens, cope with stress better when they’re around peers. Friends become an important source of encouragement and they can simply take their mind off worries. (4)
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