She often has food manias: she eats pencil lead, sealing wax, bits of wood, live shrimp, she swallows dozens of aspirins at a time, or she even ingests flies or spiders; I knew a girl very obedient otherwise who made horrible mixtures of coffee and white wine that she forced herself to swallow; other times she ate sugar soaked in vinegar; I saw another chewing determinedly into a white worm found in lettuce.