"Good relationships keep us happier and healthier. Period." "When we gathered together everything we knew about [these participants] at age 50, it wasn't their middle-age cholesterol levels that predicted how they were going to grow old," said Waldinger, in his now famous TED Talk entitled " What Makes a Good Life? Lessons from the Longest Study on Happiness ." "It was how satisfied they were in their relationships. The people who were the most satisfied in their relationships at age 50 were the healthiest at age 80." "Good relationships don't just protect our bodies; they protect our brains," Waldinger continued. So, how can you cultivate better relationships? That's one of the questions I explored in my new book, EQ Applied: The Real-World Guide to Emotional Intelligence . I pored over additional research from various neuroscientists, the Gallup organization, even Google . What did I find?