In her book Daring Greatly, (Gotham Books, 2012) Brene Brown tells us how she learned so much from studying vulnerability and shame for over 20 years.  She found that a direct link between Gratitude and Joy.

“It is not joy that makes us grateful; it is gratitude that makes us joyful.”                        David Steindl-Rast, Catholic Benedictine monk, Wikipedia)