The song "Nothing Without You" by UB40 is about the deep and unconditional love between two individuals. The lyrics convey a sense of reliance and dependence that one person feels towards their significant other. The story of the song revolves around the narrator realizing their personal worth and value when they are with their partner. They feel confident, unique, and powerful, and believe that their partner is the reason behind these positive feelings. The lyrics suggest that the narrator's partner brings out the best in them and makes them feel invincible, strong, and irreplaceable. The song also expresses the desperation and misery the narrator experiences when they are apart from their partner. They feel incomplete and unhappy, emphasizing their dependence on their loved one for happiness and fulfillment. The lyrics highlight the narrator's belief that they are nothing without their partner. Overall, "Nothing Without You" portrays a love that is all-encompassing, as the narrator's entire sense of self-worth and identity is tied to their relationship. The song suggests that without their partner, they feel lost, lonely, and devoid of purpose.