It is an axiom of contemporary marital life that if a wife is not in the mood, she need not have sex with her husband. Here are some arguments why a woman who loves her husband might want to rethink this axiom.
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Compared to most womens sexual nature, mens sexual nature is far closer to that of animals. So what? That is the way he is made. Blame God and nature. Telling your husband to control it is a fine idea. But he already does. Every man who is sexually faithful to his wife already engages in daily heroic self-control. He has married knowing he will have to deny his sexual natures desire for variety for the rest of his life. To ask that he also regularly deny himself sex with the one woman in the world with whom he is permitted sex is asking far too much. Deny him enough times and he may try to fill this need with another woman.