" No way," he said, shaking his head, shaking the image of Lise, bare-legged, her skirt hitched high, from his thoughts. "Lise, she’s a sister to me."

"Oh," she said, fingertips making circles just above the waist of her skirt. Wider and wider circles.

"A sister," he repeated. He looked at her. There was something scratching again, in the corner above his eye, like those metal probes at the dentist clawing at your teeth. "

― Megan Abbott , The Fever