This is How You Smile Bumper Sticker
Step 1: Tighten and raise one corner of your mouth.
Step 2: Tighten and raise the opposite corner your mouth.
Step 3 (optional): Show some teeth!
Ok ok, even being as 1, 2, 3 is too much! Let this bumper sticker be yours and everyone tailing you's guide to how it's done :)