I believe the correct answer is hyperbole.
Hyperbole is a rhetorical figure of speech which show some kind of exaggeration - in this particular example, the hyperbole is found in the words 'an hundred years.' This is so because the poet won't really spend a hundred years to praise the woman's eyes, but is rather exaggerating a bit.
1.in the book they get chosen a career at age 12 instead in the movie it’s at age 18
2. This first memory in the book is being stung by a bee in the movie it’s a sunburn
3.in the book Fiona is not mentioned a lot but in the movie she is seen and mention more.
My closest friends are hilarious. I always crack up laughing when I'm around them.