As G. K. Chesterton perceptively observed, “Happiness is a mystery like religion, and should never be rationalized”—that is, by examining positive moments too closely, we suck the joy right out of them. Instead, if we simply focus on reliving our happy memories, it’s relatively easy to avoid this trap. Therefore, the first take-home in seeking insight from journaling is to explore the negative and not overthink the positive.

