Chapter 1

1. Personal communication, January 7, 2017.

2. Michael Luo, “‘Excuse Me. May I Have Your Seat?’” New York Times, September 14, 2004, http://www.nytimes .com/2004/09/14/nyregion/excuse-me-may-i-have-your-seat.html.

3. Ibid.

4. N. Weinstein and R. M. Ryan, “When Helping Helps: Autonomous Motivation for Prosocial Behavior and Its Influence on Well-Being for the Helper and Recipient,” Journal of Personality and Social Psychology 98, no. 2 (2010): 222.

5. Matt Lieberman, Social: Why Our Brains Are Wired to Connect (New York: Crown Publishers, 2013), 43.

6. David Rock, Your Brain at Work (New York: HarperCollins, 2009).

7. K. D. Williams and B. Jarvis, “Cyberball: A Program for Use in Research on Interpersonal Ostracism and Acceptance,” ...

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