The song "You were my rose" is inspired by the book "The Little Prince" by Antoine de Saint-Exupéry. In this book, the "Rose" is a character whom the Little Prince encounters on his planet and falls in love with. The Rose becomes a symbol of love and tenderness for him. In the context of "The Little Prince," the phrase "You were my rose" means that the Rose was particularly important to the main character. It symbolizes his feelings and connection with this character. This expression emphasizes the significance and special meaning that the Rose had for the Little Prince in the book