⏳ The 21-day rule isn't real. It came from a 1960 self-help book, not a study. Research actually puts habit formation anywhere from 18 to 254 days, with about 66 days as the average for a behavior to feel automatic. Which means if you're at week three and it still takes effort, you're not behind. You're right on schedule. 🔗 Tap the link in bio for what actually makes habits stick. #habits #healthyhabits #behaviorchange #wellnesstips #habitformation Before you read it, we reviewed it. Article Medically Reviewed By: Joslyn Jelinek, LCSW, ACSW, RDDP Article Review Date: 10/16/2025 Source: Frothingham, S. (October 16, 2025). How Long Does It Take for a New Behavior to Become a Habit? Healthline. healthline.com/health/how-long-does-it-take-to-form-a-habit