The song "If You Were Mine" by Jessica Simpson is about a person who is impatiently waiting for their love interest to commit to a relationship. The lyrics express the desire to be with this person and the frustration of waiting for them to make a move. The song begins with the protagonist waiting by the phone, eagerly anticipating when they can start their relationship. They express that they don't want to be alone and can't hold in their feelings any longer. They encourage the love interest by saying they don't have to be a superstar, they like them just the way they are. They assure them that their love is genuine and not just a fleeting infatuation. The chorus emphasizes the longing of the protagonist, stating that if they were lovers, they could blow their love interest's mind and take them on a thrilling journey. They express their impatience and ask their love interest to come along for the ride. In the second verse, the protagonist takes the initiative and asks their love interest to let them take the lead in the relationship. They don't want to waste any more time feeling hurt, and instead want to show the love interest how they truly feel. They reiterate that they don't need someone famous or extraordinary; they just want to be with the love interest. The bridge of the song expresses the urgency of the situation and encourages the love interest to take action. The repetition of "La-la-la-la-la-la-la" creates a sense of anticipation and eagerness. The song concludes by repeating the chorus, with the protagonist expressing their desire to blow their love interest's mind, take them on a sublime journey, and satisfy their needs. They reiterate the sentiment that if the love interest were theirs, the relationship would be incredible. Overall, "If You Were Mine" portrays the frustration of waiting for someone to commit and the intense desire to be with them. The lyrics convey the protagonist's genuine feelings and their willingness to take charge in the relationship.