All I Want Is You by Justin Bieber is a heartfelt declaration of love and longing. This pop ballad centers around the themes of desire, missing someone special, and the earnest plea to be reunited with a loved one. The song captures the essence of yearning for intimacy and connection, expressing the intense emotions one feels when separated from a significant other. Notable moments in the song are filled with vulnerability and sincerity as Bieber conveys his deep emotional attachment and the singular importance of this person in his life.