The Uncoupling by Meg Wolitzer

In a small suburban town, the arrival of a new drama teacher and her choice to stage the ancient Greek play "Lysistrata" sets off an unexpected chain reaction among the women. As the play's theme of withholding intimacy to protest war takes hold, a mysterious spell seems to envelop the community, causing women to suddenly lose interest in their partners. This phenomenon forces couples to confront the complexities of their relationships, exploring themes of desire, connection, and the power dynamics within marriage, all while the town grapples with the implications of this sudden shift in their intimate lives.

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