A bit from Paul Bloom's article on each person as a "community of competing selves, with the happiness of one often causing the misery of another":

If struggles over happiness involve clashes between distinct internal selves, we can no longer be so sure that our conflicting judgments over time reflect irrationality or error. There is no inconsistency between someone’s anxiously hiking through the Amazon wishing she were home in a warm bath and, weeks later, feeling good about being the sort of adventurous soul who goes into the rain forest. In an important sense, the person in the Amazon is not the same person as the one back home safely recalling the experience, just as the person who honestly believes that his children are the great joy in his life might not be the same person who finds them terribly annoying when he’s actually with them.

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