Julia is much younger than Alfonso Their marriage lacks love Julia is trapped in a boring marriage Alfonso is jealous and suspicious Annoyed by this Julia falls in love with the young and innocent Don Juan Byron uses these two marriages to show how love and understanding are often missing in marriages Morality and Hypocrisy Byron critiques the showy morality of the people He exposes the society s hypocrisy Donna Inez who seems like a perfect and virtuous woman is not as pure as she appears Rumors suggest that she once had an affair with Don Alfonso Donna Julia goes to bed with Don Juan However when her husband Don Alfonso comes to search the bedroom she tries to prove her fidelity and even scolds her husband This shows her hypocrisy After this incident Donna Julia is sent to a convent as punishment This harsh ending shows how women in Byron s time were punished more than men for the same mistakes This is another hypocrisy of the society Education Don Juan s strict education fails to prepare him for real life His mother Donna Inez gives him a strict and sheltered upbringing But in reality he remains na ve and easily gets into trouble Byron criticizes how education focuses on useless knowledge instead of practical wisdom In conclusion Byron s Don Juan Canto I is a satirical poem that explores love marriage hypocrisy and education Through humor and wit Byron criticizes society while entertaining the reader