3 Times When It's OK To Fake A Smile

It's easy to smile when your husband cooks you dinner for the first time in a year, or your puppy wakes you up from a siesta looking especially fetching. But what about those moments when you least want to put on a happy face?
Decades of research, including one brand-new study, show that smiling does a body all kinds of good, but even more interesting: You don't actually have to mean it. Check out the 3 best times to fake a smile.