Jesse McCartney's song "Think About It" revolves around the theme of infidelity and the internal struggle of the narrator who is torn between two relationships. The song suggests that the protagonist is engaged in a secret affair with someone other than his girlfriend. However, he acknowledges the consequences of his actions and the potential fallout if his girlfriend were to discover the truth. He fears losing her and the comfortable life they have built together, including their shared home. The lyrics portray the narrator's indecision and confusion as he constantly weighs the pros and cons of staying with his girlfriend or pursuing the new person he is involved with. He is caught between his desire for the other person and the guilt of betraying his girlfriend. The chorus emphasizes the tortured thinking and repetitive thoughts the narrator experiences when contemplating his choices. He struggles to make up his mind, knowing that whichever decision he makes will have significant consequences. Ultimately, he wants to avoid breaking his girlfriend's heart and recognizes that she does not deserve the pain he may cause her. Overall, "Think About It" delves into the inner turmoil that comes with infidelity and the moral dilemma faced by the narrator. It highlights the importance of considering the impact of our actions on others and the value of loyalty and commitment in a relationship.