Five years ago, I took the leap to retire early—fifteen years before Social Security’s full-retirement age. I left my career as a civil servant at the Department of Defense at its peak—not just in terms of my highest compensation but also my greatest influence and status. And yet, it was one of the best decisions I have ever made. Since retiring early, my life has changed for the better—no regrets. Looking back on these past five years, here are eight things I learned about early reti...