The Unraveling: Relationship Disengagement and The Robust Repair Strategies of Intimate REconnections, LLC, by Linda Weiner, MSW and Patricia Elmone, M. Ed.

The 5 Love Languages: The Secret to Love that Lasts,by Gary Chapman

Passionate Marriage: Love, Sex, and Intimacy in Emotionally Committed Relationships,by David Schnarch

The Seven Principles for Making Marriage Work: A Practical Guide from The Country's Foremost Relationship Expert, by John M. Gottman

Empty Nesting: Reinventing Your Marriage When Your Kids Leave Home, by David and Claudia Arp.

101 Great Dates for Empty Nesters, by David and Claudia Arp

Hot Monogamy, by Patricia Love and Joy Robinson

Lasting Love: The 5 Secrets of Growing a Vital Conscious Relationship, by Gay and Kathleen Hendricks.

Discovering Your Couple Sexual Style: The Key to Satisfaction, by Barry and Emily McCarthy

The Sex Starved Marriage: A Couple's Guide to Boosting Their Marriage Libido, by Michele Weiner-Davis

Rekindling Desire: A Step by Step Program to Help Low Sex & No-Sex Marriages, by Barry McCarthy

Mating in Captivity: Unlocking Erotic Intelligence, by Esther Perel

The Sex Starved Wife: What to What to Do When He's Lost Desire, by Michele Weiner-Davis

He's Just not Up for it Anymore: Why Men Stop Having Sex, and What You Can Do About It, by Bob Berkowitz and Susan Yager-Berkowitz