Only Of You by Green Day is a heartfelt song about longing and unrequited love. Billie Joe Armstrong, the lead singer, expresses deep emotions and yearning for someone who may not feel the same way. The song explores themes of infatuation, desire, and the vulnerability that comes with one-sided feelings. Key poignant moments include the rawness in the chorus where Armstrong declares only wanting the person he sings about, highlighting the intensity of his emotions.