The song "Ain't That Peculiar" is a duet between Engelbert Humperdinck and Andrea Corr, originally recorded by Marvin Gaye in 1965. The lyrics tell the story of a person who is deeply in love with someone who constantly mistreats them. Despite the pain caused by the other person's actions, the protagonist's love for them only grows stronger. The lyrics highlight the peculiar nature of this love, as the protagonist acknowledges the hurtful behavior but remains infatuated. They express their confusion over how love can endure through pain and lies. The line "Ain't that peculiar, a peculiar ality" emphasizes the contrast between the unconventional aspect of their love and what is considered normal or expected. The protagonist also mentions their tears, comparing themselves to a child who cries when they don't get their way. However, unlike a child, their tears don't bring them any resolution or change in the other person's actions. They question why their love keeps growing even when faced with tears and heartache. Overall, the song explores the paradoxical and complex nature of love, demonstrating how it can persist even in the face of adversity and mistreatment.