As you might expect, research shows that the best indicator of a person's happiness is the quality of his or her close relationships. Whether you're talking about romantic relationships, family dynamics, or simply close friendships, the happier you are in your social engagements, the happier you are in general. This new year, make so much money. But don't trade your personal relationships for that, whatever form of relationship means a lot to you. Credit: Natalie boyd, study.com