What does this mean once the jazz bug bites you no turning back?

Once you experience the joy and excitement of jazz music, you become enamored with it, and there's no going back. Jazz music can evoke strong emotional responses and captivate listeners with its improvisation, infectious rhythms, and overall musical expression. When the "jazz bug" bites, it implies that you've been captivated by the genre's unique characteristics, and you're likely to become a dedicated fan or musician who can't resist its allure.