What is realistic about “cinderella stories” like the film pretty woman? a. marriage customs are usually heterogamous. b. when class boundaries are crossed, women usually marry up, while men marry down. c. class boundaries are often crossed in marriage. d. prostitution is a common route to social advancement. what is realistic about “cinderella stories” like the film pretty woman? a. marriage customs are usually heterogamous. b. when class boundaries are crossed, women usually marry up, while men marry down. c. class boundaries are often crossed in marriage. d. prostitution is a common route to social advancement.