What makes for a happy life?

I came across this Ted Talk, and thought it provided really sound advice about having a good life: 
​https://www.ted.com/talks/robert_waldinger_what_makes_a_good_life_lessons_from_the_longest_study_on_happiness

In case you don't have the 12 minutes and 46 seconds to watch the video right now, I can summarize it by saying the happiest and healthiest people have quality connections to family and friends, and actively nurture those relationships over time, as well as seek out new communities of people to connect with on a regular basis. The director of the study called it "leaning into relationships."  Do you have relationships that you can lean in to in your life?