The song 'Sometimes Lovers' by America delves into the complex dynamics of love and relationships. It highlights the unpredictable nature of romantic connections where the best-laid plans often go awry and lovers sometimes end up drifting apart. Key themes include love's transient nature, the importance of cherishing moments together, and the inevitable changes in relationships over time. Poignant moments in the song capture the bittersweet realization that not all love stories have a fairy-tale ending, but the memories and experiences shared are invaluable.