The song "Impossible Love" by UB40 tells the story of a person who is reminiscing about the time they spent with their loved one and how happy it made them. However, they are now separated and feeling lost, as they cannot imagine loving someone else. The lyrics convey a sense of longing and hope that the other person will hear their song and realize that they made a mistake. The person sings about the impossibility of loving another, no matter how hard they try, suggesting that their love for the person they are separated from is irreplaceable. They express their desire for the other person to hear their song, hoping it will make them understand the depth of their love and reconsider their decision to separate. The mention of the sunset losing its glow and the garden rose not blooming anymore serves as metaphors for the person's own fading happiness and lack of fulfillment without their loved one. The narrator feels the void left by the separation and asks for help in explaining the emotions they are going through. Overall, "Impossible Love" portrays the struggle of letting go of a deep love and the longing for reconciliation with the person who was once their source of happiness.