Each month, when a woman is bleeding, she is forbidden to her husband. They may not have marital relations, may not touch, may not even sleep in the same bed. And when her flow ceases, the wife must count seven clean days, as is written in the Torah. And at the end of those clean days, she must visit the mikvah to immerse herself completely in natural water: rainwater or river water or seawater. And once she has immersed herself, she may return to her husband’s bed. The mikvah is a sacred place, a holy place. More holy, perhaps, than a synagogue, for we learn that when a new community is
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