What warning does the nurse give Romeo?

In Act II, Scene 4 of Romeo and Juliet, the nurse gives Romeo a warning about his intentions towards Juliet. She tells him that if he is not sincere in his love for her, he will have to answer to her. The nurse is protective of Juliet and does not want her to be hurt or taken advantage of by Romeo.

Also, the nurse gives Juliet advice to be cautious in her relationship with Romeo. She tells her to take her time and not rush into anything too quickly. The nurse is concerned that Juliet's feelings for Romeo may be based on infatuation rather than true love, and she wants her to be sure before she commits herself to him.

At the same time, the nurse is also supportive of Juliet's feelings and wants her to be happy. She recognizes the intensity of Juliet's emotions and the passion that she feels for Romeo, and she does everything in her power to help them be together.

Overall, the nurse plays a critical role in Romeo and Juliet's love story. She acts as a mediator between the two lovers, helping them to communicate and arrange their secret marriage. At the same time, she also acts as a voice of caution and wisdom, reminding them of the risks and challenges they face. The nurse's warning to Romeo and advice to Juliet reflect her deep concern for their wellbeing and her desire to see them happy and fulfilled in their love for each other.