5
Jon Birger, Date-onomics: How Dating Became a Lopsided Numbers Game (New York: Workman Publishing Company, 2015), 3, 54.
6
Nancy Jo Sales, Swiped. Documentary. Directed by Nancy Jo Sales, featuring Tim MacGougan. New York City: Consolidated Documentaries. 2018. 38:00.
7
Sales, Swiped, 38:00.
8
“Emerging new threat in online dating: Initial trends in internet dating initiated serious sexual assaults,” National Crime Agency, published February 7, 2016, http://www.nationalcrimeagency.gov.uk/publications/670-emerging-new-threat-in-online-dating-initial-trends-in-internet-dating-initiated-serious-sexual-assaults/file.
9
“Sexually Transmitted Surveillance 2017,” Centers for Disease Control, last reviewed October 15, 2018, https://www.cdc.gov/std/stats17/default.htm.
10
“Survey Finds Nearly Three-Quarters (72 %) of Americans Feel Lonely,” Harris Poll on behalf of American Osteopathic Association, conducted September 19–21, 2016, http://admin.osteopathic.org/inside-aoa/news-and-publications/media-center/2016-news-releases/Pages/10–11-survey-finds-nearly-three-quarters-of-americans-feel-lonely.aspx.
11
A. H. Maslow, “A Theory of Human Motivation,” Psychological Review 50, 370–396.
12
Ty Tashiro, The Science of Happily Ever After: What Really Matters in the Quest for Enduring Love (New York: Harlequin, 2014), 27–45.
13
“Anxiety and physical illness,” Harvard Women’s Health Watch at Harvard Medical School, last revised May 9, 2018, https://www.health.harvard.edu/staying-healthy/anxiety_and_physical_illness.