Adele mentioned she wrote it because she was "exhausted from being such a b***h" in her other tracks and needed to write something that made her feel okay with the two years she spent with him.
Scientists have noted the song’s use of "appoggiaturas"—ornamental notes that clash with the melody to create tension before resolving. This musical "clash" triggers a physical emotional response in listeners. Adele - Someone Like You
The song is a rare "piano-and-vocal-only" ballad to reach #1 on the Billboard Hot 100. Without the distraction of heavy production, her vocal nuances—including a "near-shrieked whisper" in the chorus—take center stage. A Career-Defining Moment Adele mentioned she wrote it because she was