The lyrics depict a sense of unease and suspicion within a relationship as the protagonist notices strange things like a mysterious man leaving, a large-sized suit in the closet, and a crushed pillow on the bed. Despite being reassured by their partner, the protagonist feels a growing heartache and questions the fidelity in the relationship.

Meaning of "My Mistake" by Signal

The song "My Mistake" by Signal delves into the theme of distrust and insecurity within a romantic relationship. The protagonist feels a sense of unease and suspicion due to various odd occurrences like the presence of a Ferrari in their garage and oversized suits in the closet, leading them to question their partner's faithfulness. Despite their partner's attempts to reassure them and dismiss their concerns as mere work-induced stress or nightmares, the protagonist's anxiety and heartache continue to escalate. The lyrics highlight the impact of doubt and fear on a relationship, as the protagonist struggles with their own paranoia and the possibility of being deceived. The repeated refrain of "my mistake, I felt a heartache coming on" echoes the internal battle between trusting their partner and listening to their own instincts. Overall, the song portrays a poignant narrative of suspicion, insecurity, and emotional turmoil in the face of uncertain trust.