No 
As NewMan99, once wrote to me (to clarify a misunderstanding I had
):
"First of all we do not view the pleasures of sex as an "extra gift" but rather as something far more profound than that. There are TWO functions of the marital act: procreative and unitive. Both are important. And so if the procreative portion of the act is removed for some reason (barrenness for example) there is still the VERY important "unitive" aspect to be considered. Therefore a happy and healthy sex life should be enjoyed by the couple thoughout their days together regardless if they can have children or not. "
As NewMan99, once wrote to me (to clarify a misunderstanding I had
"First of all we do not view the pleasures of sex as an "extra gift" but rather as something far more profound than that. There are TWO functions of the marital act: procreative and unitive. Both are important. And so if the procreative portion of the act is removed for some reason (barrenness for example) there is still the VERY important "unitive" aspect to be considered. Therefore a happy and healthy sex life should be enjoyed by the couple thoughout their days together regardless if they can have children or not. "
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