Meaning of "Key Don't Fit" by Buddy Guy

"Key Don't Fit" by Buddy Guy delves into the emotions of rejection and heartbreak in a relationship. The repeated motif of the key not fitting the lock symbolizes the inability to access or connect with the partner anymore. The protagonist's efforts to reach out, as seen in leaving messages, indicate a desperate attempt to salvage the relationship despite the clear signs of being unwanted. Seeing the partner with someone else intensifies the feelings of betrayal and abandonment. The mention of the neighborhood gossiping about the potential end of the relationship adds a public element to the personal pain the protagonist is experiencing. Overall, the song captures the raw emotions of rejection, betrayal, and the realization of being replaced by someone else, making it a poignant reflection on the complexities of relationships and loss.