Meaning of "Biggest Mistake" by The Rolling Stones

"Biggest Mistake" by The Rolling Stones delves into themes of regret, self-realization, and the consequences of taking love for granted. The narrator recounts the slow erosion of a seemingly perfect relationship due to their own impatience and unkind behavior. The lyrics highlight how the little things can eventually wear away at a once strong bond, leading to the narrator walking away and realizing too late the gravity of their mistake. The song's introspective tone underscores the emptiness and regret that follow the loss of a cherished connection. It serves as a cautionary tale about valuing and appreciating love before it's too late, pushing the listener to reflect on their own relationships and choices.