What Makes Us Happy? Interview with Dr. George Vaillant

Today I am trying something new--in lieu of my usual Live Happier ramblings--I am posting a video.  This video is an interview with a researcher Dr. George Vaillant, who followed 268 men for 72 years, from the time they entered Harvard in the late 1930s until now.  Here is what he learned from those men:

The article What Makes Us Happy? appeared in the Atlantic June 2009. 
 FYI my new favorite quote: " Happiness is love. Full Stop." --Dr. George Vaillant

What are some of your favorite quotes--related to Happiness or not?