The nurse's behavior changes based on a change in the tension of the story.
We can arrive at this answer because:
An example of this can be seen when the nurse encourages Juliet to marry Parris and abandon the feelings she has about Romeo. She behaves this way because she thinks Romeo will make Juliet unhappy and put her in danger.
As you have not informed the act to which this question refers, I can't provide a specific answer, but I hope that the information above can help you.
More information about "Romeo and Juliet" at the link:
https://brainly.com/question/5025530