Attachment and couple bonding
Hazan, Cindy, and Shaver, Philip (1987). “Romantic Love Conceptualized as an Attachment Process”. Journal of Personality and Social Psychology 52 (3):511-524.
Wikipedia’s very thorough entry.
Parker-pope, Tara. “Is Marriage Good for Your Health?” The New York Times, April 14, 2010, sec. Magazine.
Oppenheimer, Mark. “Infidelity Will Keep Us Together.” The New York Times, June 30, 2011, sec. Magazine.
Purpose of Emotions: “Captain Kirk’s Revenge: Emotion is essential to human survival.”
For those with severely avoidant partners: [nothing good yet]
For the anxious-preoccupied: Shepell. “Forming Healthy Relationships with an Anxious Attachment Style.” Workhealthlife Blog.
Sadists: “Everyday Sadists Among Us,” from the New York Times. And: “Demeaning as a Lifestyle.”
Limbic Resonance at Wikipedia.