What is the song only exception about?

"Only Exception" by Paramore tells the story of a person facing addiction. The lyrics explore the conflict between wanting to overcome the addiction and the feeling of being drawn back to it despite its destructive nature. The person sings about being the only exception to the rule, the only one who can't be saved, with addiction portrayed as a relentless presence like gravity keeping them bound. Ultimately, the song expresses a yearning for the strength to break free and find redemption.