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“The suffering that accompanies nausea, vomiting, diarrhea, cough, fever, fatigue, pain, anxiety, and low mood motivates escape from a current bad situation and avoidance of future similar situations. Individuals who do not experience physical pain accumulate injuries and usually die by early adulthood. People who don’t feel bad when pursuing unreachable goals spend their lives in contented useless efforts. More low mood might help their genes, but a clinic to boost low mood would be about as popular as a clinic to help people feel more anxious.” — Randolph M. Nesse
The suffering that accompanies nausea, vomiting, diarrhea, cough, fever, fatigue, pain, anxiety, and low mood motivates escape from a current bad situation and avoidance of future similar situations. Individuals who do not experience physical pain accumulate injuries and usually die by early adulthood. People who don’t feel bad when pursuing unreachable goals spend their lives in contented useless efforts. More low mood might help their genes, but a clinic to boost low mood would be about as popular as a clinic to help people feel more anxious.