While most people find pleasure in synchronized movement, some people seem especially drawn to move in unison with others. One possible reason has to do with the link between collective joy and cooperation. It turns out that people who have a prosocial orientation to life—that is, they enjoy witnessing other people’s happiness and are motivated to help others who are struggling—synchronize more easily with others. Something in their mindset or biology makes it easier to merge in collective action and lose themselves in the movement. Perhaps this is the final instinct group exercise harnesses:
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