"Sweetness" delves into the complexities of emotional dependence and the quest for validation within relationships. The lyrics explore this theme, driven by a structure built on recurring call-and-response vocal motifs. Musically, the song from their album Bleed American is characterized by layered guitars, energetic drumming, and a prominent "whoa-oh" refrain that serves as its central hook. It incorporates influences from post-hardcore and second-wave emo, creating a frenetic energy through its layered percussion. Playing this song feels like channeling that intense search for connection and affirmation.