A school nurse is talking with a 13-year-old female at her annual health-screening visit. Which of the following comments made by the adolescent should be the nurse's priority to address?

"I haven't gotten my period yet, and all my friends have theirs."

"There's a big pimple on my face, and I worry that everyone will notice it."

"My parents treat me like a baby sometimes."

"None of the kids at this school like me, and I don't like them either."