Just for that, I would never give them the pleasure of buying a pack ever again. It also highly pisses you off against tobacco companies who basically see you as an idiot cash cow who they have no problem milking to death. I guess it works brilliantly if you are willing to listen, keep an open mind and accept the fallacy in your excuses and do well with logic. Then there is the habit to break: about 3 weeks until you finish a coffee, get up, walk a few minutes and realize you haven't even thought of lighting one! Quitting cold-turkey is not hard as they like and condition you to believe- Last time I had a cold, I had a far faaar much harder time! A couple of days of feeling off physically and you're good. This book is unique in the way that it takes down all your excuses one after the other and shows you how you've been "brainwashed" (mostly by the tobacco companies) to think the way you do. Best part: quitting WAS easy and I don't miss it at all. Finished the book, quit, haven't smoked in more than 2 years. Half way through the book I was begging to quit smoking already (you can't - rule number 1 is to finish the book before you quit). I ran across a post on Reddit mentioning this book and got interested. The idea of quitting smoking never crossed my mind. The good old "live your life, you have to die from something anyway"). I loved smoking (and I'm French so it's socially encouraged.
I was a 1 pack a day smoker for 13 years.