Juliet is confused by the Nurse and her sobbing. At first she thinks that Romeo is dead. The Nurse does nothing to correct her at first. Then the Nurse says Tybalt's name. So because of all the confusion in this scene between the Nurse and Juliet, Juliet is not truly able to grieve properly for her cousin. She is upset that he's dead, but she has mixed emotions going back and forth about how she feels about Romeo.