Reflecting on my twenties from the vantage point of forty Meg Jay's book, The Defining Decade , for and about twentysomethings is excellent. She has street cred as a psychotherapist who has worked with dozens of twentysomethings in the San Francisco bay area and on the East Coast. Her book is filled with real-life twentysomething case studies I've heard many times before as a pastor who works with young adults. My first exposure to Jay came her through her excellent TED talk and then a friend loaned me her book. The gist of it goes something like this: Stop putting off your most important decisions in your twenties. The life you envision will not happen overnight so start planning and working on it today. It probably takes at least ten years of distance to determine whether a major decision you made turned out well. So as a forty-year old, I decided to look back on my twenties and evaluate the life choices that gave me the greatest joys and those t...