I read this book after a falling out with a lady friend. I was stressing about her appearing to me chasing other guys other than her partner who she said she was going to marry. I lost sleep over it and instead of constructively raise it with my friend, I instead over reacted. I was worrying about the worst case scenarios when if I had followed this book I would have lived more in the present then worrying about the future that most likely will not pass. I will most likely read and re read this book like Dale Carnegie book how to influence people and make friends.