References & Endnotes

Key sources behind this guide — linked directly to the source where available

1 min read·Updated July 2026
[1]

Lally P, van Jaarsveld CHM, Potts HWW, Wardle J. "How Are Habits Formed: Modelling Habit Formation in the Real World." European Journal of Social Psychology, 2010;40(6):998-1009. ↩ back to text

[2]

Hayes SC, Luoma JB, Bond FW, Masuda A, Lillis J. "Acceptance and Commitment Therapy: Model, Processes and Outcomes." Behaviour Research and Therapy, 2006;44(1):1-25. View study ↗ ↩ back to text

[3]

Emmons RA, McCullough ME. "Counting Blessings versus Burdens: An Experimental Investigation of Gratitude and Subjective Well-Being in Daily Life." Journal of Personality and Social Psychology, 2003;84(2):377-389. View study ↗ ↩ back to text

[4]

Holt-Lunstad J, Smith TB, Layton JB. "Social Relationships and Mortality Risk: A Meta-Analytic Review." PLOS Medicine, 2010;7(7):e1000316. View study ↗ ↩ back to text

[5]

Light KC, Grewen KM, Amico JA. "More Frequent Partner Hugs and Higher Oxytocin Levels Are Linked to Lower Blood Pressure and Heart Rate in Premenopausal Women." Biological Psychology, 2005;69(1):5-21. ↩ back to text

[6]

Newman SJ. "Supercentenarian and Remarkable Age Records Exhibit Patterns Indicative of Clerical Errors and Pension Fraud." bioRxiv preprint, 2024. ↩ back to text

[7]

Pennebaker JW, Kiecolt-Glaser JK, Glaser R. "Disclosure of Traumas and Immune Function: Health Implications for Psychotherapy." Journal of Consulting and Clinical Psychology, 1988;56(2):239-245. View study ↗ ↩ back to text