Konnikova, Maria. “The Limits of Friendship.” The New Yorker, 17 Oct 2014
Dunbar, R.I.M. “The Anatomy of Friendship.” Trends in Cognitive Sciences, January 2018, Vol. 22, No 1.
Dunbar, Robin, TEDxObserver, “Can the Internet Buy You More Friends?”
Christakis, Nicholas A., and James H. Fowler. Connected. New York: Little Brown and Company, 2009. Preface, Chapters 1,2,3,7,8,9
“Study Reveals Number of Hours It Takes to Make a Friend.” Phys.org. 29 Mar 2018.
Christensen, Clayton, M., James Allworth, and Karen Dillon. How Will You Measure Your Life? New York: Harper Collins, 2012.
Bufton, Gordie. The Connection Effect. Divine Time Books, 2018
Mineo, Liz. “Good Genes Are Nice, But Joy Is Better.” The Harvard Gazette, 11 Apr 2017
Blackburn, Elizabeth, and Elissa Epel, The Telomere Effect, New York: Grand Central Publishing, 2017
Ware, Bonnie. "Regrets of the Dying"
Twenge, Jean M. “The Sad State of Happiness in the United States and the Role of Digital Media.” World Happiness Report. 20 March 2019
Seligman, Martin, E. P. Flourish. New York: Atria Paperback, 2011. Chapter 1, pages 143-149, 173-176
Covey, Stephen R. The 7 Habits of Highly Effective People. New York: Fireside, 1989
Covey, Stephen M.R., The Speed of Trust. New York: Free Press, 2006
Fogg, BJ., Tiny Habits. New York: Houghton Mifflin Harcourt, 2020
Chapman, Gary. The 5 Love Languages: The Secret to Love that Lasts. Chicago: Northfield Publishing, 2015
Horwitz, Jeff, and Deepa Seetharaman, "Facebook Executives Shut Down Efforts to Make the Site Less Divisive", The Wall Street Journal, 26 May 2020.
Cal Newport. TEDxTysons. Why Should You Quit Social Media