The 37% Rule — Optimal Stopping
How many people should you date before settling down? Based on the Optimal Stopping Problem. Reject the first 37%, then pick the first who beats your best.
✨ The Fun Behind This
Why It's Fun
The 37% rule comes from the Optimal Stopping Problem. If you will date N people and must decide without going back, reject the first 37% as a sample, then pick the first who beats everyone in the sample.
How It Works
Optimal k = n/e ≈ 37%. Reject first k people to learn your preferences. Then pick the first who beats your best from the sample.
Key Insights
- ●The 37% rule also applies to hiring, apartment hunting, and selling your house.
- ●1/e ≈ 36.8% appears in many probability problems—it's not a coincidence.
- ●People who explore too little settle too early; those who explore too much often miss the best.
- ●The exploration phase is for learning your preferences—use it wisely.
How Many People Should You Date Before Settling Down?
Optimal Stopping Problem · Probability of finding "The One"
💕 Click to Load Scenario
Your Dating Parameters
For educational and informational purposes only. Verify with a qualified professional.
🎲 Fun Facts
The 37% rule also applies to hiring, apartment hunting, and selling your house.
— Optimal Stopping Theory
1/e ≈ 36.8% appears in many probability problems—it's not a coincidence.
— Mathematics
People who "explore" too little settle too early; those who explore too much often miss the best.
— Psychology
The exploration phase is for learning your preferences—use it wisely.
— Decision Science
The 37% rule comes from the Optimal Stopping Problem (Secretary Problem). If you will date N people and must decide without going back, reject the first 37% as a "sample" to learn your preferences, then pick the first person who beats everyone in the sample. This maximizes your chance of finding the single best partner.
📋 Key Takeaways
- • Reject the first 37% — use them to calibrate your preferences
- • Then pick the first who beats your best from the sample
- • ~37% chance of getting the single best partner—surprisingly high!
- • Exploration phase — don't commit until you've seen enough
💕 Fun Relationship Facts
📐 The Math Behind 37%
The constant 1/e (Euler's number) appears naturally in optimal stopping. If you reject the first k out of n people, the probability of picking the best is a sum over when the best appears. This is maximized when k = n/e. The same math applies to hiring, apartment hunting, and selling your house.
In practice, you rarely know N exactly. Use your best estimate of your lifetime dating pool. The rule is robust—being close to 37% is usually good enough. And remember: the goal is to maximize the chance of the best partner, not to avoid regret. Sometimes you will reject someone great in the sample—that's the trade-off.
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