The song "River" by Jamie Scott is about missing someone deeply and feeling their presence even though they are not physically there. The singer expresses how he cannot stop thinking about his lover and how he wishes he had not left them. He promises to love them forever and never forget about them. The chorus of the song uses a river as a metaphor, saying that just as a river never stops when it falls, it keeps moving forward and so will the singer's love for his lover. Overall, the song is a heartfelt expression of deep, undying love and the pain of missing someone who is not there. It reminds listeners that true love never fades and will always endure, just like a river that never stops flowing.