The song "O. Lover" by Jason Mraz talks about the highs and lows of a relationship, and the conflicting emotions that come with it. The lyrics explore the fear of changing one's mind and the struggle to draw boundaries, the intense attraction and passion between the two lovers, and the contradictions and complexities of their relationship. The song describes the protagonist's desire for his lover, even though he knows the relationship is unhealthy. He acknowledges that their attraction to each other is a combination of love and hate - a paradoxical and confusing feeling. The lyrics also touch upon the idea of growth and strength, and the protagonist's realization that he needs to overcome the opinions of others and trust his own instincts. The song is ultimately a celebration of the lover's physical attributes and the passion that burns between them. The passionate descriptions of the lover's red top and tattoo highlight the physical and emotional connection between the two, and the raw, natural sexuality they share. Overall, "O. Lover" is a sensual and introspective love song that explores the complexities of relationships and the intense emotions that they can evoke.