The song "I Knew You" by UB40 explores the theme of a broken relationship and the discovery of a new version of the person they once knew. The lyrics reflect a sense of disappointment and betrayal as the narrator realizes that the person they were in love with has changed. They describe how they used to see the best in this person but soon realized that there was more to them than meets the eye. The lyrics depict the narrator's realization of the lies, alibis, and deceptive behavior of their partner. The phrase "butter wouldn't melt disguise" suggests that their partner had a manipulative and deceitful nature. The narrator's heart was initially blind to these flaws, but their mind eventually revealed the true nature of their partner. This led to the narrator feeling foolish and deceived. The chorus repeats the sentiment that the person they once knew is now a "perfect stranger" to them. It signifies the complete transformation of the person's character and the loss of familiarity in their relationship. The narrator acknowledges that love can be cruel and that they were a fool to trust in a love that never truly existed. The lyrics also convey a message of empowerment and moving on. The narrator declares that the person should stay away and not try to reconnect, as they want to be left alone to find happiness without their presence. The final lines indicate that both parties should be free from the burdens of the failed relationship. Overall, "I Knew You" tells the story of a love that was built on false pretenses, leading to disappointment and a recognition of the true character of their partner.
