Without You by Usher is a poignant exploration of love, longing, and the deep emotional impact of being separated from a loved one. The song delves into the themes of heartache and emptiness, emphasizing how vital the presence of the loved one is to the singer's happiness and emotional well-being. Key moments in the song include the repeated chorus that underscores the feeling of incompleteness and the verses that paint a vivid picture of life feeling hollow without the partner's presence.