Introduction : my story -- I. The fundamentals : why tiny changes make a big difference -- The surprising power of atomic habits -- How your habits shape your identity (and vice versa) -- How to build better habits in 4 simple steps -- II. The 1st law : make it obvious -- The man who didn't look right -- The best way to start a new habit -- Motivation is overrated : environment often matters more -- The secret to self-control -- III. The 2nd law : make it attractive -- How to make a habit irresistible -- The role of family and friends in shaping your habits -- How to find and fix the casuses of your bad habits -- IV. The 3rd law : make it easy -- Walk slowly, but never backward -- The law of least effort -- How to stop procrastinating by using the two-minute rule -- How to make good habits inevitable and bad habits impossible -- V. The 4th law : make it satisfying -- The cardinal rule of behavior change -- How to stick with good habits every day -- How an accountability partner can change everything -- VI. Advanced tactics : how to go from being merely good to truly great -- The truth about talent (when genes matter and when they don't) -- The Goldilocks rule : how to stay motivated in life and work -- The downside of creating good habits -- Conclusion : the secret to results that last.