By doing this he adds humour and sincerity to the frame narrative. .
Goldman makes it appear as though Morgenstern intended The Princess Bride to be a historical satire. This device allows Goldman to further amuse himself (and us) in his mockery of the romantic tradition. The arbitrariness of time and history are brought to our attention by creating a fantasy setting in which time is measured by such absurd criteria as the inventions of such things as the golf ball or blue jeans (p.45). Mockery of the fantasy world undermines its separateness and distinctness from the everyday world. .
The arbitrariness of love is also a recurring theme throughout. Buttercup's childish and silly love for Westley springs from jealousy rather than true love (p.49). The very fact that Morgenstern chose to name the leading lady "Buttercup- makes it difficult for the reader to take her or her love very seriously, especially when she originally calls her true love by the name "farm boy."" She also doesn't appear to be as intelligent or noble as one would expect of a heroine in the romantic tradition. For instance, early in the story, she chooses life and riches over the more romantic alternative of death and loyalty (p.77). The contrast between "William Goldman's- relationship with his wife and Westley's relationship with Buttercup (p.15) emphasizes how silly the idea of true love really is. In fact, the frame narrative is the key to the satire in the novel, and it is " William Goldman s- interruptions throughout that allow for the satire to be conveyed successfully. .
Because the tale of The Princess Bride takes place in an exotic and fantastical world, it requires some suspension of disbelief. "Goldman- interrupts and tells the reader what the outcome of the story or particular scene is going to be (p.71). By telling the reader what is going to happen, "William Goldman- doesn't allow for the mystery and suspense that is characteristic of the romance tradition.