The song "Watch Yourself" by Buddy Guy is a blues track that addresses the theme of beauty and the danger of underestimating others based on appearance. The lyrics describe a situation where a pretty girl is being warned about the homely girls who are trying to steal her man. The song suggests that the pretty girl should be cautious and not overlook the homely girls, as they have the ability to attract and win over men just as well. It implies that beauty alone is not enough to keep a man, and that the homely girls can offer something more appealing, such as their genuine nature or the way they treat their partners. Throughout the song, the singer advises the pretty girl to be aware of the competition from the homely girls and to avoid playing games or taking her man for granted. The lyrics also point out that once the lights are out, it's difficult to tell the difference between a pretty girl and a homely girl, emphasizing the importance of looking beyond mere appearances. In essence, "Watch Yourself" serves as a cautionary tale about the consequences of disregarding others solely based on their looks. It reminds listeners that true beauty and worth are not determined by physical appearance alone, and that underestimating someone based on their outward appearance can lead to unexpected outcomes.