In this song, I'm a guy who's deeply infatuated with someone. He's been pining for her for a long time and wants to be her boyfriend. He sings about how he'll do anything to make her happy and prove his devotion. He reminisces about the memories they've shared together, from late-night conversations to spontaneous adventures. He confesses that he's willing to give up everything just to have her by his side. His desire is so strong that he'd even sacrifice his own happiness for hers. The chorus repeats the phrase "I wanna be your boyfriend," emphasizing his longing to be in a romantic relationship with this person. The song becomes an emotional plea, showcasing the intensity of his feelings and the depth of his commitment.