He made a long mental checklist of the things he liked and disliked about women. He liked tennis skirts and jean cut-offs, but not the kind so short you could see the pockets. He liked ballet flats and heels. He hated sneakers and dress shoes. He was fine with sandals, as long as they were worn with a fresh pedicure. He liked thigh gaps, hated cankles. He liked tan lines, long necks, slender shoulders. He liked good posture and fruit-scented body mist. He liked full lips, and small noses. He liked chokers, but the lacy ones with flower cutouts or delicate patterns. He hated girls who sat like boys, talked like boys, acted like boys. But there was nothing on planet Earth he hated more than body hair.
Rue is talking about Nate and his proclivities as the narrator when this is being sad.