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.
The main purpose is that when Juliet wanted to be with romeo so romeo killed himself and Juliet drink poison hope this helps I hope you get it right :P