YSK about the "Peak-End Rule": your brain judges experiences mostly by the most intense moment and how they ended
Why YSK: Because this rule shapes how you evaluate past experiences. It was discovered by psychologist Daniel Kahnemann and shows that people judge an experience based disproportionately on how they felt at its most intense point (the "peak") and at its end. How long the experience is barely matters. The cool think is you can use that knowledge intentionally:
**Presentations/interviews**: People will remember how you finished far more than what happened in the middle. Means it matters more how your last slide looks like than your first. **Arguments**: If a 2-hour fight ends with a resolution, you'll evaluate the whole experience more favorably. If it ends with someone slamming a door, that feeling will likely dominate the complete memory of it.
**Vacations**: A mediocre trip with one incredible day and a great last day may be remembered more fondly than a consistently "good" trip though complex experiences like vacations involve many other factors (photos, stories, novelty), so the effect is less clean-cut than in lab settings.