The Couple Who Has Staying Power

You may think that there's no way of telling how good a certain couple's relationship is with just a glance.

However, science begs to differ. Doctors at the University of Michigan swear you can.

They had an in-depth study that showed that couples who look similar are more likely to stay together. The reason for this is that it may indicate that the two have a genetic likeness, and that familiarity keeps them solid.