The song "Un Día Tú, Un Día Yo" by Julio Iglesias talks about the ups and downs of a romantic relationship. The lyrics express the conflicting emotions of love and hate that the couple experiences towards each other. One day, one of them loves the other while the other hates them, but the next day, the roles can reverse. They both acknowledge that they are similar in their unpredictable moods and that nothing can change that. The chorus suggests that they live their lives with the excitement of not knowing when they will break up but also the fear of having to say goodbye. They love each other passionately but also hate each other with equal intensity. The lyrics suggest that eventually, their love will lead to their demise, as they continue to struggle with their feelings towards each other. Overall, the song provides a realistic depiction of a tumultuous relationship that is marked by intense emotions that vary widely and without warning. The song suggests that, despite their ups and downs, the couple cannot escape their love for each other, and it will ultimately lead to their downfall.
