everything is said in the title 2

excellent book to better understand why when you want to save can not resist a compulsive buying, or why an object one possesses more value to us than the same against other person, why are we so short when irrational might think most rational people, the book is well written and has a good level of synthesis available to all with many example, although brought them, studies ... well now I understand better why I make sometimes things that do not make sense, I continue, but I know why ...