Why does Adam Sandler not use his wife as his wife in movies?

Adam Sandler does not cast his real wife Jackie Sandler as his wife in his movies for several practical and creative reasons that he has explained indirectly through interviews. First, Happy Madison films are built around high-profile female leads who help sell the movie internationally, such as Jennifer Aniston in Just Go With It and Murder Mystery, Drew Barrymore in The Wedding Singer and 50 First Dates, and Kate Beckinsale in Click, and casting his own wife in those romantic lead roles would change the commercial dynamic. Second, Sandler has said he likes to keep his family life and work life somewhat separate, and he and Jackie are comfortable with her having fun cameo roles as a waitress, nurse, or party guest rather than carrying the pressure of being the main romantic interest opposite her husband. Third, romantic comedies often require kissing scenes, awkward comedy, and emotional conflict that might be less comfortable or less funny with a real spouse. Jackie herself has said she enjoys small cameos and does not want to be the lead. She appears in almost every film, from Big Daddy to Grown Ups, but in supporting roles, which allows them to work together without putting their marriage at the center of the marketing.