XOXO is a song by JEON SOMI, and it talks about the end of a relationship and the pain that comes with it. It encourages listeners to move forward and not dwell on the past, as nothing lasts forever. The lyrics also warn against believing in false love, represented by the phrase "nothing lasts forever, beoreutcheoreom baetteon ne malcheoreom bogi johke kkeutnatjanhni". The song's title, XOXO, references the letters used in writing love letters, but in the context of the song, they represent a goodbye. Overall, XOXO is a bittersweet reminder of the inevitability of endings and the importance of moving on.