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Learning about how many boxes each person can be broken down into surprised me. I obviously know that everyone is different, whether it is physically or mentally, but I never stopped to think just how many different people there are. With about 1,000,000,000,000 neurons in our bodies that can account for differences, it's mind-blowing to realize. Our planet can replicate multiple times and still have everyone occupying it be different. The thing that bothers me is that if me and another person only have a difference in one or two neurons, will it really make that big a difference? If so, then how?