1. Their Love: The nurse realizes that Romeo and Juliet are deeply in love with each other, despite the longstanding feud between their families. She witnesses their passion and intense feelings for one another, which is forbidden due to their families' rivalry.
2. Secret Marriage: The nurse is one of the few characters who knows about Romeo and Juliet's secret marriage. She helps arrange the wedding between them, performed by Friar Lawrence. She acts as a go-between, carrying messages and facilitating their secret encounters.
3. Juliet's Grief: After Romeo is banished from Verona for killing Tybalt, Juliet is devastated. The nurse witnesses Juliet's intense grief and emotional turmoil. She tries to comfort Juliet and offers advice, but her attempts are met with resistance as Juliet's sorrow consumes her.
4. Juliet's Scheme: When Juliet learns of her arranged marriage to Paris, she devises a desperate plan to escape. The nurse initially doubts Juliet's intentions but eventually decides to help her by providing a sleeping potion that will make her appear dead. The nurse becomes a key participant in Juliet's scheme to avoid marrying Paris.
5. Tragic Consequences: Despite their efforts, the nurse eventually witnesses the tragic consequences of Romeo and Juliet's love. When Romeo believes Juliet is dead, he takes his own life. Upon finding Romeo dead beside her, Juliet stabs herself with a dagger, leading to their untimely deaths. The nurse is left devastated by the tragic outcome of their love story and the loss of the two young lovers.