Is it possible to be monogamous for life? In this episode of "The Language of Love," Dr. Berman talks about whether or not monogamy is truly sustainable. 

Next, Dr. Berman helps a caller who says her husband wants her to talk dirty, but she doesn't know how to get started. How can a 'good girl' tap into her naughty side without feeling inauthentic or as though she is playing a porn star role? 

Dr. Berman then helps a woman who says she and her longtime partner struggle to "get past the silliness" in their relationship in order to get to the sexiness. How can lovers continue to find passion and excitement when they are also best friends who love to clown around with each other? 

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