Yes, the nurse did have a friendship with Juliet as she knew everything about Romeo and Juliet. And she would tell Juliet when her mom is coming when Juliet was doing something she wasn't supposed to...
Juliet lies and tells the nurse she is going to Friar Lawrence to repent because she is angry with the nurse- the nurse has told Juliet to forget about Romeo and marry Paris. This enrages Juliet as...