The Four Loves is a very important book if you want to know how to differentiate what you love from what you just like.
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In his book Maps of Meaning, Peterson talks about myth and how it relates to human morality throughout history.
Beyond Order is the name of the third book by Jordan Peterson, which talks about 12 rules so that the reader can improve in various aspects of life.
Influence: The Psychology of Persuasion is a book written by university professor Robert Cialdini that shows the power that psychological triggers have on our mind.
In that book, Gary Chapman teaches that there are five different ways to show love, and that each person has their own main way of showing love and receiving love.
12 Rules for Life is the best-seller by psychiatrist Jordan Peterson, where he teaches several tools to mature and become more autonomous.