Her mother died when she was young and her father is described as overprotective. Stephie has asthma due to emotional distress. She uses an inhaler & pills to treat her medical condition.
Stephie used to be painfully shy, but has started coming out of her shell, befriending her new neighbor, Margie. She loves reading & and is described as an excellent reader.
Stephie's bedroom is decribed as young-looking with pink bunnies everywhere & pictures of storybook characters on the wall. She wrote a story called "The Special Flower" in which Dawn Schafer as a surrogate mother-type.