Dunbar's number is a:
O
A. notion that having fewer than 150 friends leads to an unhappy
social life.
O
B. theory that our brains can handle relationships with a total of 150
people.
O
C. study implying that the human heart will weaken with more than
150 friendships.
O
D. fact stating that having more than 150 friends makes you a very
social person.
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