The song "Leave My Girl Alone" by Buddy Guy is a blues track that tells a story of a protective and jealous lover warning another man to stay away from his girlfriend. The protagonist of the song receives a phone call from the other man, who is trying to pursue a relationship with the protagonist's girlfriend. The lyrics emphasize the protagonist's frustration and anger towards this man, urging him to leave his girlfriend alone. The protagonist warns that he has the potential to become violent or engage in wrongdoing if the man continues to pursue his girl. The repetition of the phrase "You better leave, Lord, you better leave my little girl alone" in the chorus shows the protagonist's desperation and determination to protect his relationship. He urges the man to go away before he loses control and does something regrettable. The song also mentions how the other man repeatedly calls the protagonist's house, even during odd hours of the night. This further provokes the protagonist, warning the man that such behavior is likely to lead to a physical altercation. Overall, "Leave My Girl Alone" is a passionate blues song where Buddy Guy expresses the intense emotions, possessiveness, and protective nature of a lover who wants to keep his girlfriend away from any potential threats.