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LESSON 2 · Stay Sharp Under Pressure

How Emotions Hijack Reasoning

Emotional reasoning leads to predictable errors:

  • Motivated reasoning — seeking evidence that supports what you already feel
  • Affect heuristic — judging risk or benefit by how you feel, not by data
  • Identity-protective cognition — rejecting facts that threaten a belief tied to who you are
  • Emotional amplification — the stronger you feel, the more biased your reasoning becomes

The cruel irony: the more passionately you care about a topic, the worse your reasoning about it tends to be. Passion fuels motivation but poisons analysis.