Meaning of "What Do They Know" by Westlife

"What Do They Know" dives deep into the theme of outsiders not being able to fully grasp the intricacies of a romantic relationship. The lyrics touch upon the idea that people only see the surface level of a couple's interactions, such as fights and arguments, without witnessing the love and connection that exist during intimate moments. The song suggests that those who criticize and spread lies about the relationship are unable to comprehend the true depth of the love shared between the couple. The repetition of the phrase "What do they know? They don't know a thing" further emphasizes the idea that the opinions and judgments of others hold no weight in comparison to the bond that the couple shares. The singers express a sense of defiance and determination to prove the outsiders wrong, confident that their love will endure despite the naysayers. Overall, the lyrics convey a powerful message about the strength of love and the resilience of a relationship in the face of external negativity.