The lyrics describe the emotional distress and pain caused by a lover who treats a serious relationship lightly. Key themes include:
The music video features a high-concept, sci-fi narrative that emphasizes the song's theme of emotional disconnection: Heartbreak (English Translation) Lyrics - MINHO - Genius The lyrics describe the emotional distress and pain
The chorus highlights the instability of feelings, noting that both the partner's and the singer's emotions "go high and low easily". The lyrics describe the emotional distress and pain