People, you better start smiling more to lessen the number of divorces in the world! Apparently the less you smile, the more likely it is you will get a divorce.

Matthew Hertenstein from the DePauw University asked ex-students to answer questions about their current sexual relationships and whether they have been divorced before. It turned out that those whose pictures bore a frown on their faces, somehow had "worse" lives, and people who frowned were more likely to get a divorce.

Read More [Economist]