Smiling in Pictures = Happy Marriage?

Will your child smile in their school picture this year? Do you have lots of photos of smiling kids around your home? Well, one study says those smiley pictures could indicate a happy marriage in the future.

And the reverse is apparently true as well: kids with weak smiles "are most likely to experience divorce and unhappy marriages in their middle age". This comes from a story in Scientific American.

We're not sure we're buying this. You?
Via Parent Dish.