What makes a good life? Lessons from the longest study on happiness

Have you ever wondered what actually keeps us healthy and happy as we journey through life? Well this 75 year long study on adult development from Harvard University may have some answers for you!

http://www.ted.com/talks/robert_waldinger_what_makes_a_good_life_lessons_from_the_longest_study_on_happiness?language=en#t-4035