Uterus
たい
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The machine in your body that is powered by the moon is your womb, also called your uterus! Haven't you ever wondered why periods happen with the revolutions of the moon? That's because it powers your uterus and tells it what to do!
It kind of sucks, but there is no way to sever this uterus - moon tie (たい). But if you find a way please tell me, I can't take this anymore.