On Sunday mornings, I have been studying Rabbi Aroush's work on marriage with a small group. The book is available in both Hebrew and English; they are two very different works. We have been using the Hebrew edition.
This week, what we read focused on the need for honesty in marriage. Specifically the author was focusing on the fact that frequently when spouses disagree about doing something, one of them will choose to do it and lie about having done it to their spouse. He explains that even though the Talmud permits "changing" one's story for the sake of peace, that doesn't apply in this case. He explains that such changing is only permissible when one does something with all the best of intentions and then something goes wrong which may upset another party. In that case one may embellish the facts in a way that will keep the peace. But the Talmud does not permit proactively and intentionally creating a situation in which one will feel compelled to lie to protect himself after having engaged in an activity in which he/she should not have been involved to begin with!
I have to confess that leading this discussion group puts me in a sometimes funny position; as I have not always been a model husband, I can feel at times like a hypocrite sharing with others how to be proper husbands. I "protect" myself by saying repeatedly that everything I am sharing applies to me as much as to anyone else.
Especially with this issue, I have to admit that in the past I have often abused the permit to fudge on the truth for the sake of peace. I have to keep this lesson at the forefront of my mind with everything I do, so I do not abuse it in the future.