Romeo and Juliet is a work of fiction, the source of which was the imagination of the author, William Shakespeare. While Shakespeare was undoubtedly influenced by many earlier works of fiction as well as many actual historical events, there is no specific source for this play other than Shakespeare's imagination.
Romeo and Juliet have a number of conversations in which Romeo can react to many things Juliet says. In other words, this cannot be answered unless it is more specific.
Arthur Brooke's Romeus and Juliet.
Counter strike source
Romeo and Juliet
Romeo and Juliet
From Ancient Greek write Nick LeCaptain
juliet
After Romeo and Juliet married Romeo owned Juliet and everything she owed as well.
There is the famous balcony scene. The scene where romeo die before Juliet awakes. This question isn't specific enough.
Romeo was a Montague, Juliet was a Capulet.
Juliet Capulet is one of the leads in "Romeo & Juliet"
Juliet, we are told, was a few weeks short of fourteen. Romeo was older, possibly even in his twenties, but the text is not specific.