I'm sorry; that must be really hard. I hope that you will be able to trust her again and move forward. Have you considered a marriage therapist? Just a thought...good luck with everything!!
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From the movie The Hours: "If I were thinking clearly, Leonard, I would tell you that I wrestle alone in the dark, in the deep dark, and that only I can know. Only I can understand my condition. You live with the threat, you tell me you live with the threat of my extinction. Leonard, I live with it too."