The Five Love Languages: The Secret to Love that Lasts

Getting the Love You Want: A Guide for Couples: Third Edition

Helen LaKelly Hunt

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Men Are from Mars, Women Are from Venus: The Classic Guide to Understanding the Opposite Sex: Practical Guide for Improving Communication

John Gray

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Attached: The New Science of Adult Attachment and How It Can Help You Find—and Keep—Love: The New Science of Adult Attachment and How It Can Help You Find--and Keep-- Love

Amir Levine

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