Don't Leave Me by Green Day is a song about emotional vulnerability and the fear of abandonment in a relationship. The lyrics express the narrator's desperation to maintain a connection with their loved one, fearing that they might be left alone. Key themes include loneliness, emotional dependency, and the struggle to communicate feelings. Particularly poignant moments in the song include the repeated plea 'Don't leave me,' demonstrating the narrator's deep sense of fear and anguish over the potential loss of their partner.