I caught the note and dismissed it. At 17 I didn't do sympathy. Not at 17, not sympathy. If she was old and fat it was her fault. She'd just got it wrong.
Adolescence comes like a shocking flood, at least for boys.
Each would be enough to handle on its own. The characteristic self-absorption is understandable, because the self is a new thing. It has to be examined. It's like suddenly being given an unthinkably powerful car with touchy controls. When you drive you can't speak.