the.com/selfimprovement
a billion-dollar promise that you, fixed, are always one purchase away
market sizeSelf-help industry tops 40 billion dollars yearly
habit mythThe 21-day rule came from amputee adjustment studies
real timelineHabits average 66 days, not three weeks
reader ironyMost self-help books are bought, rarely finished
ancient rootsStoics were writing self-improvement journals 2,000 years ago