When Ulysses hears his own story sung by an epic poet and then he reveals his identity and the poet wants to continue singing, Ulysses isn`t interested any longer. That`s very astonishing.
We have gotten away from this double aspect of either putting the character back into historical events or of making a historical event of his very life.
To have one`s own story told by a third party who doesn`t know that the character in question is himself the hero of the story being told, that`s a technical refinement.