Answer: Juliet defines that she cares and loves Romeo so much that she will change her beautiful last name and abandon her heritage of being a Capulet in order to be together with Romeo. "With love's light wings did I o'erperch these walls" means For stony limits cannot hold out, And what love can really do, that it is a dares love attempt.
Explanation: If i got it wrong please forgive me and let me know. Also i hope i helped you!