The song "I Don't Know Why I Love You" by Joey McIntyre is about the indescribable and unconditional love that the narrator feels for someone. Despite not fully understanding why they love the person, they know that their love is strong and lasting. The song begins with the narrator expressing their confusion about why they love this person but assures them that their love is real. They acknowledge that it took a long time to find this person, and they are determined to never lose them. The chorus reiterates the narrator's confusion about why they love the person but affirms that they do. They also express gratitude that the person loves them back and acknowledges that they are meant for each other. The second verse reflects on times when the couple may argue and fight, but they always make up and make love in the middle of the night. The narrator admits that they don't understand everything the person does, but they can never stay mad at them. They believe that their love can last forever. The chorus repeats, emphasizing the narrator's uncertainty about why they love the person but also their certainty in never losing them. They express gratitude for the person's love and the realization that they are meant to be together. In the bridge, the narrator contemplates the idea that there may be someone better suited for them, someone who appears flawless and perfect. However, they quickly realize that the person they love is right next to them, making them question the existence of a better match. They reaffirm their belief that their love can last forever. The final chorus reiterates the narrator's confusion about why they love the person but affirms their love once again. They emphasize that the story of their love will continue endlessly because it is too strong to end. Overall, the song is a heartfelt expression of a deep and unexplainable love. It explores the complexity of relationships and the power of a love that is meant to endure.