Chapter 4 Gritty Love
1. “What Is Love? 0-100,” YouTube video, 4:39, posted by SoulPancake, July 10, 2015, https://www.youtube.com/watch?v=_UWGKzqMwso.
2. Robert Sternberg, “A Duplex Theory of Love,” in The New Psychology of Love, ed. Robert Sternberg and Karin Weis (New Haven, CT: Yale University Press, 2006), 184–99.
3. Euripides, “Iphigenia in Tauris,” in The Complete Greek Drama, ed. Whitney J. Oates and Eugene O’Neill Jr., trans. Robert Potter (New York: Random House, 1938), http://www.perseus.tufts.edu/hopper/text?doc=Eur.%20IT%20275&lang=original.
Chapter 5 Time and Priorities
1. We got this idea to read, sing, and pray from Donald S. Whitney, Family Worship (Wheaton, IL: Crossway, 2016).
Chapter 6 Communication and Connection
1. C. S. Lewis, The Four Loves (New York: Harcourt, Brace, 1960), 89.
Chapter 8 Intimacy and Sex
1. Timothy J. Keller, “The Gospel and Sex,” Gospel in Life, April 27, 2010, http://www.gospelinlife.com/the-gospel-and-sex.
Chapter 9 Dealing with Discord
1. As quoted in Thomas A. Tarrants III, “What God Wants from You,” Knowing and Doing (Winter 2013), http://www.cslewisinstitute.org/What_God_Wants_from_You_FullArticle.
2. John Piper, “You Are Not Your Own: Romans 8:9,” Desiring God, November 11, 2014, http://www.desiringgod.org/labs/you-are-not-your-own.
3. Timothy Keller with Kathy Keller, The Meaning of Marriage (New York: Riverhead, 2001), 278.
Chapter 10 Upward and Outward
1. Pew Research Center, “Parenting in America: Outlook, Worries, Aspirations Are Strongly Linked to Financial Situation,” December 17, 2015, http://www.pewsocialtrends.org/files/2015/12/2015-12-17_parenting-in-america_FINAL.pdf.
The Biblical Covenants
1. The Hebrew word used for bow in Genesis 9:13, qesheth, is directly translated as “war bow.” See https://www.blueletterbible.org/lang/lexicon/lexicon.cfm?Strongs=H7198&t=ESV.