'I Can't Let My Heaven Walk Away' by Stevie Wonder is a soul-stirring song that explores themes of love, loss, and yearning. Wonder passionately sings about the pain of seeing a cherished relationship slipping away and the desperation to hold onto it. The lyrics convey a deep emotional connection and the struggle of dealing with heartbreak. Key moments in the song include poignant lyrics that highlight the singer's plea to his lover not to leave him and his expressions of how much the relationship means to him. Through heartfelt melodies and evocative lyrics, Stevie Wonder captures the universal longing for love and the fear of losing it.