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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Experience is valued for a reason, and you should hold every experience that you've had in life as the most valuable thing.

Life lessons can often feel hard-won. You choose what you think is best—or even most exciting—in the moment, only to realize later on that it may not have been the wisest decision after all. And ...