Talk about why he wants to see the movie.\n\n The R-rating doesn't ban children under 17 from a movie, it restricts them to watching it with a parent or guardian (and includes a recommendation that parents and guardians learn more before allowing their child to see the movie).
R  Restricted\n\n Under 17 requires accompanying parent or adult guardian. Contains some adult material. Parents are urged to learn more about the film before taking their young children with them.