I have just finished listening to "FLOW" on audiobook.
Amazon.com
The author Mihaly Csikszentmihalyi who narrated his own book cites research that shows that some very successful people come from broken households and did not have loving parents. It is not only childhoods in optimal caring environments that lead to success later in life. Adversity does, too, and to a significant extent. @
jesyka it is an old book and you can borrow it from your local public library. Talks a lot about how to be happy with simple methods, too.