Answer:
Dioneo, in the beginning of the story, has introduced the story first by a theme called "A man's notable brutality." During the story he describes a man "Gualtieri" that is very wise and strong and a respectable man in his village. We see in the story that Dioneo describes a more patriarchal side in himself similar with the character, yet his personality is definitely more opposite than the main character in the story. This is because he describes the foolishness of Gualtieri's tests to his wife in the end of the story. We see the wittyness of Dioneo as well while he was narrating because he puts a little of himself inside the thoughts of the characters.
Step-by-step explanation: