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The rate of women who are cheating on their husbands is on the rise. But, those women say it`s not a way to end the marriage, but a way to stay in it. A new book "The Secret Life of the Cheating Wife" interviews 40 women who used Ashley Madison as their pathway toward extramarital affairs, and how they`re using it as a way to challenge traditional gender roles. WGN Morning News spoke to the author and sociologist, Alicia Walker.