“COOL·NESS [KOOL-NIS] -nounCATCHING your mom gazing at the crazy crowd like she finally gets itWATCHING your dad head-banging like he’s Finn’s twin brotherLEARNING that your new friends Tash and Kallie are a thousand times more complicated than you realized, and loving them for itFEELING every one of your boyfriend’s pounding drumbeats, and thinking it’s the most romantic music ever writtenREALIZING you’re completely unique . . . even in a crowd”