By the time she was sixteen, Jane had heard enough about this to last her several lifetimes. In her mother's account of the way things were, you were young briefly and then you fell. You plummeted downwards like an overripe apple and hit the ground with a squash; you fell, and everything about you fell too. You got fallen arches and a fallen womb, and your hair and teeth fell out. That's what having a baby did to you. It subjected you to the force of gravity.