Sputnik Moments are not confined to countries. They happen in our personal lives as well and by definition, come when we least expect them.

Maybe you thought it was money, sex, or food, but experts are saying that the key to happiness is something entirely different. It's something that anyone can have at any time. It's simple and it's vital. It's gratitude.

We all know people whose attitude is a little on the negative side when it comes to getting what they want. They are 'settlers.' Rather than expect good things in life, they are willing to settle for 'good enough.'

There's a growing body of research that shows it is not happiness that makes us grateful, but it's gratefulness that makes us happy.