Hogfather - Powers

And she'd met him later and, yes, he had his good side, and for a while she'd wondered why her parents had been so unfeeling and-

She knew now why they'd tried to keep her away. There was far more to genetics than little squirmy spirals.

She could walk through walls when she really had to. She could use a tone of voice that was more like actions than words, that somehow reached inside people and operated all the right switches. And her hair...

That had only happened recently, though. It used to be unmanageable, but at around the age of seventeen she had found it more or less managed itself.

That had lost her several young men. Someone's hair rearranging itself into a new style, the tresses curling around themselves like a nest of kittens, could definitely put the crimp on any relationship.

She'd been making good progress, though. She could go for days now without feeling anything other than entirely human.

But it was always the case, wasn't it? You could go out into the world, succeed on your own terms, and sooner or later some embarrassing old relative was bound to turn up.

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Hogfather - p85