I read 15 books this year on relationships, productivity, and success - here are the most meaningful insights I've taken away

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There were a lot of life lessons.

As 2016 drew to a close, I published a list of nonfiction books I'd read that year. At that point, I thought I knew everything about how to be happier, how to achieve my goals, and how to become an expert at anything.

In 2017, I learned - surprise! - I was wrong. This past year, I read another boatload of books on human behavior (you can consider many of them self help books) and gained brand-new insights into the worlds of relationships, emotions, and money management.

Below, I've highlighted the best of those insights and the terrific books they came from.