Official information about the book for teenagers and adults “Pairs of Opposites in Earning: How to choose a job and live happily”. Find out why every teenager (but also many adults) should know this non-obvious knowledge before starting their career or changing to a better job. Read about what it means to “be satisfied with your job” and use the special tool “Pairs of Opposites in Earning”. This way, you will quickly understand what to do or what you are doing wrong.