This TED talk <a href="https:&#x2F;&#x2F;www.ted.com&#x2F;talks&#x2F;robert_waldinger_what_makes_a_good_life_lessons_from_the_longest_study_on_happiness" rel="nofollow">https:&#x2F;&#x2F;www.ted.com&#x2F;talks&#x2F;robert_waldinger_what_makes_a_good...</a> makes the same point and used data from an 75y study.