The science behind thankfulness and how to use it to crank up your motivation and eliminate stress.
Here are all the mentioned links:
Psychology Today article:
https://www.psychologytoday.com/blog/two-takes-depression/201211/how-gratitude-combats-depression
Enhancing well-being and alleviating depressive symptoms with positive psychology interventions: a practice-friendly meta-analysis: https://www.ncbi.nlm.nih.gov/pubmed/19301241
Counting blessings in early adolescents: An experimental study of gratitude and subjective well-being: http://www.sciencedirect.com/science/article/pii/S0022440507000386