1.Brad E. Sachs, The Good Enough Child (New York:HarperCollins, 2001).
2.In Stacey Colino, "The Reasons of Our Discontent,"Bethesda Magazine (November–December 2013). http://www.bethesdamagazine.com/Bethesda-Magazine/November-December-2013/Why-Arent-We-Happy/index.php?cparticle=1&siarticle=0#artanc.
3.Matthew A. Killingsworth and Daniel T. Gilbert, "A Wandering Mind Is an Unhappy Mind," Science 330, no.6006 (November 12, 2010): 932.
4.Gene Weingarten, The Fiddler in the Subway (New York:Simon and Schuster, 2010).
5.Gregory Burns, Satisfaction: Sensation Seeking, Novelty, and the Science of Finding True Fulfillment (New York:Macmillan, 2006), 74.
6.Jim Caple,"After Fall, Abbot Presses On," ESPN. http://espn.go.com/olympics/winter/2014/figureskating/story/_/id/10451479/2014-sochi-olympics-team-usa-fall-shortprogram-jeremy-abbott-presses-on.
