From grimoire
Projects choices to age 80 to evaluate major irreversible decisions by anticipated regret, correcting near-term anxiety bias.
How this skill is triggered — by the user, by Claude, or both
Slash command
/grimoire:apply-regret-minimizationThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Evaluate a major life decision by projecting yourself to age 80 and asking which choice you would regret more — exploiting the research finding that long-term regret is dominated by inactions, not actions, to correct the near-term anxiety bias that systematically favors the status quo.
Evaluate a major life decision by projecting yourself to age 80 and asking which choice you would regret more — exploiting the research finding that long-term regret is dominated by inactions, not actions, to correct the near-term anxiety bias that systematically favors the status quo.
Adopted by: Jeff Bezos describes the Regret Minimization Framework as the decision process behind founding Amazon (Princeton commencement address, 2010, widely circulated). Applied by executives and founders across Silicon Valley — Bezos references it as his decision framework in multiple high-profile interviews. Taught in behavioral economics courses at Harvard Business School and Stanford GSB as an illustration of temporal self-appraisal and affective forecasting correction. Impact: Gilovich & Medvec (1995) Psychological Review — landmark study across multiple methods: in the long run, people overwhelmingly regret inactions more than actions. Short-term regret is dominated by actions (things done); long-term regret (1+ year) is dominated by inactions (things not done). The ratio flips with time. Zeelenberg et al. (2002): anticipated regret is a more accurate predictor of long-term satisfaction than anticipated outcome — deciding by what you'll regret rather than what you expect produces better-calibrated decisions. The mechanism: near-term anxiety focuses on proximate costs of action; age-80 projection bypasses this by forcing the evaluation frame where inaction costs are most visible. Why best: Standard decision analysis (pros/cons lists, expected value) computes options from the current moment, which is dominated by loss aversion and status quo bias. Both biases systematically underweight the cost of inaction. The regret minimization framework deliberately shifts temporal perspective to a vantage point where those biases are smaller — age 80, when the downside of having never tried is fully visible. The alternative (deciding from current-moment anxiety) produces systematic over-weighting of near-term discomfort relative to long-term meaning.
Sources: Bezos Princeton Commencement (2010); Gilovich & Medvec (1995) Psychological Review; Zeelenberg et al. (2002) Cognition & Emotion; Kahneman & Miller (1986) Norm Theory
Write one sentence: "Should I [action] or [stay with status quo]?"
"Should I leave my stable job to start a company?"
"Should I move to a different city for this opportunity?"
"Should I pursue a relationship with this person?"
"Should I publish this creative work publicly?"
The decision must be specific and binary — regret minimization works poorly on continuous optimization problems; it works well on discrete irreversible choices.
Close your eyes or write: "I am 80 years old. I have lived my life. I am looking back."
Make this concrete:
The projection needs to feel real, not abstract. Spend 30–60 seconds genuinely imagining this before evaluating options.
From your 80-year-old vantage point, ask:
Path A: I took the action.
"Did I regret taking this risk?" ___/10
What would I think of my 30-year-old self for having done this?
Path B: I did not take the action.
"Did I regret not trying?" ___/10
What would I think of my 30-year-old self for having stayed put?
Rate each from 0 (no regret) to 10 (strong regret).
Apply the Gilovich finding explicitly:
Near-term frame (current you): Action regret feels larger
Long-term frame (age-80 you): Inaction regret is almost always larger
If your age-80 rating of inaction regret ≥ action regret:
→ Strong signal to act
If action regret still dominates at age 80:
→ Genuine reason to pause (rare; examine what specific action outcome drives it)
The key question: "Will I look back and wish I had tried, even if I failed?" For most meaningful decisions, the answer is yes — which resolves the decision.
Regret minimization is most powerful for irreversible or costly-to-reverse decisions. For easily reversible decisions, it is overkill:
High-value use of this framework:
✅ Career change, founding a company
✅ Major relationship commitments
✅ Geographic relocation
✅ Creative work that requires years of effort
✅ Saying something important to someone before it's too late
Low-value use (too simple — just do a pros/cons list):
❌ Which software tool to use
❌ Which vendor to choose
❌ Tactical decisions with low switching cost
Regret minimization answers: which path to take. It does not answer: how to execute it. Once the direction is set, switch to apply-fear-setting or a project plan to handle the implementation details and risk mitigation.
Regret minimization → direction
Fear-setting → detailed risk analysis and mitigation
Execution planning → timeline, steps, resources
npx claudepluginhub jeffreytse/grimoire --plugin grimoireHelps humans weigh high-stakes life/career choices by comparing recoverable downside against permanent missed opportunity, minimizing long-term regret.
Routes decision-making requests to the appropriate structured thinking tool: option-mapping, criteria-weighting, premortem-analysis, or reversibility-analysis.
Guides through difficult decisions using Naval Ravikant's heuristics. Activate when stuck on pros/cons lists, big choices, career pivots, or decision confusion.