My eldest son just turned 20. I don’t even know what to do with that number. It means I’m old, for one. Like, really old. And yet I remember exactly where I was when I turned 20: taking a Shakespeare ...

An interview-based series where people share personal stories and the lessons they’ve learned, offering a human look at universal themes like retirement or longevity. More from Life Lessons Browse all ...

Over the past five years, my colleague Jeremy Stevenson and I have read more than 100 self-help books, studied over 20 therapies, and extracted and categorized nearly 500 techniques from those sources ...