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Knowledge

Published on 2026-05-01

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2 min read

The 10/10/10 rule: three time horizons that cool emotion down

In 10 minutes, 10 months, 10 years — same decision, three weights.

In her 2009 book 10-10-10, Suzy Welch proposed a fast cooling-down tool — three questions:

  • In 10 minutes — how will I view this decision?
  • In 10 months — how will I view this decision?
  • In 10 years — how will I view this decision?

No paper, no framework, no outside consultation. Three questions, five minutes — give emotion a chance to recalibrate.

Why it works

Decisions go wrong less often because of insufficient information than because of the wrong time scale.

Responses after an argument get dominated by 10-minute emotion. Buying a house, switching jobs, declining an opportunity get dominated by 10-month anxiety. The 10-year view is usually missing entirely — yet it's the scale that matters most for the truly important calls.

10/10/10 forces you to hold all three scales at once. Most of the time you'll find: the choice that hurts most short-term is the right one long-term; the choice you'll regret most long-term feels best short-term.

Three scenarios

A: You want to lash out at someone

  • 10 minutes: satisfying
  • 10 months: regret, but the relationship has cracked
  • 10 years: you may have forgotten — but they remember

B: You're agonizing over declining an opportunity

  • 10 minutes: feels like an interruption, want to dismiss
  • 10 months: you can barely remember it
  • 10 years: it might have been a fork in the road

C: You want to impulse-buy something expensive

  • 10 minutes: happy
  • 10 months: probably sitting unused
  • 10 years: forgotten — but the habit costs serious money

When to use it

  • Impulse decisions (spending, speech, reactions)
  • When you need a fast perspective recalibration without time for full analysis
  • The moment emotion has overrun reason

When not to use it

Strategy decisions needing rigorous analysis don't fit — 10/10/10 is a cooling tool, not an analysis tool. Long-term commitments are deeper with regret minimization; technical calls are sharper with expected value.

The full version lives on Hone's framework page.

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