The Willpower Myth: 23 Labs Went Looking and Came Up Empty
Does willpower run out like a fuel tank? The famous ego depletion finding failed a 23-lab re-test with 2,141 people. What that means for self-control.
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The Habit Loop: Why You Can't Remember Driving Home
The habit loop (cue, routine, reward) explains how the brain automates behavior, why you scroll without deciding to, and where the loop can be edited.
The 10,000-Hour Rule Failed Its Own Data
The 10,000-hour rule came from a study of 30 violinists, and the researcher behind it spent years saying it was misread. Here's what the data shows.
How to Break Bad Habits When Willpower Keeps Losing
Research on how to break bad habits points away from willpower: change the cues, add friction, use vigilant monitoring, and time quits to disruption windows.
Dopamine Detox: Its Inventor Says It's Not About Dopamine
The dopamine detox trend misreads the science: dopamine doesn't deplete or flush out. Here's what its creator actually built, and what works instead.
Loss Aversion: Why Losing $50 Hurts More Than Winning It
Loss aversion, Kahneman and Tversky's finding that losses loom larger than gains, explains sales tactics, sunk costs, and why saving feels like losing.
How to Build Good Habits: What Studies Actually Support
How to build good habits using tested findings: consistent cues, if-then plans, starting small, and why missing a day doesn't matter.
Habit Stacking: The Planning Trick Tested on 8,000 People
Habit stacking works because of if-then planning, a strategy tested across 94 studies and 8,000 people. Here's the formula and where it fails.
The Diderot Effect: Why One Purchase Triggers the Next
In 1769, a philosopher got a beautiful dressing gown as a gift and ended up in debt. The Diderot effect explains why one upgrade triggers the next.
How Long Does It Take to Form a Habit? Not 21 Days
The 21-day rule came from a plastic surgeon's memoir. When researchers measured how long it takes to form a habit, the answer was 18 to 254 days.