Think of all the faces we show the world every day. We scrub up every morning and put our game face on. We never show our real face except to those who know us best, the ones who see through the game face to the real you and me. But with everyone else we change our faces.

The doorbell rings. You're working on something, so you grimace over the interruption. Watch the contours of your face change, depending on who's at the door. Perhaps it's a door-to-door salesman and now you're stuck listening to his pitch through a cracked door. Or, it's a pesky neighbor who is always coming over to complain about something. Watch your face tighten until she tells you her husband just died and she didn't know who else to turn to. How does your face look now? Or, it's FedEx or UPS and you're perturbed by…