According to Dunbar's research about the size of human social groups, what is the approximate number of people that each of us knows reasonably well?

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Dunbar's research suggests that the average person can maintain stable social relationships with approximately 150 individuals, which is known as the "Dunbar number." This number is based on the size of the neocortex, the part of the brain responsible for conscious thought and language, and is thought to represent the maximum number of relationships we can both remember and keep updated emotionally.

According to Dunbar's Research About the Size of Human Social