What does it mean that schema evolution requires emotional tolerance?

Changing a deeply held mental model is uncomfortable — expect and accept this.

Example: You've built your career on the belief that working harder produces better results. Then evidence accumulates — burnout, diminishing returns, a colleague who works fewer hours but ships better outcomes. Your chest tightens. You feel irritated at the evidence. That physical resistance is not a sign you're wrong to reconsider. It's a sign the schema matters to you. The discomfort is the cost of admission for growth.

Try this: Identify one belief you hold that you suspect might need updating. Write it down. Now write the strongest counter-evidence you can think of. Notice what happens in your body as you write the counter-evidence — tightness, heat, agitation, the urge to stop writing. Record those sensations alongside the counter-evidence. You've just mapped the emotional cost of evolving that schema. Sit with it for sixty seconds without resolving it.