Kelly's first exposure to the miserable itching of athlete's foot brings some whining and tears, as well as a desperate search for anything that will help extinguish the fire before any of the other girls on the squad find out. She knows this is probably what she deserves for the way she mocked Steph and Carly.
After a full day at her parent's house, she has to sneak away and satisfy her newly developed nicotine addiction. She finally mastered the deep inhales that her new friends at school perform so expertly. She'd spent the last week taking every opportunity to show off her progress. Now, she tearfully recognizes there's no going back.