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Harsh times require difficult high-risk decisions. My grandmother was born in February 1884 on a small island off the coast of Norway. On the day of her christening, her father sighted a swirl of fish offshore. A heaven-sent gift for extra mouths to feed in a lean winter? He and his partner rowed out despite the waves. They hoisted their nets again and again, until the boat was full. Should they persist or go home? The fish were still there, and they might not come back, so the men also filled a spare dinghy, connected to their boat by a chain. The wind rose, the dinghy flipped, the chain could not be cut, and both boats went down. My great-grandmother was helpless onshore, holding her newborn daughter as her husband drowned. Optimism and boldness are often worthwhile, but occasionally they are fatal. The perils of risk-taking in a harsh environment may help to explain why my great-grandfather’s surviving descendants have tendencies to anxiety and pessimism.
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Randolph M. Nesse (Good Reasons for Bad Feelings: Insights from the Frontier of Evolutionary Psychiatry)