useless trivia: What Word Means: In The Chrysalis State?

Questions

In 'romeo and juliet', who said 'i have a faint cold fear thrills through my veins'?

In 'romeo and juliet', who says 'make the bridal bed in that dim monument where tybalt lies?

In 'romeo and juliet', who says 'what must be must be'?

In 'romeo and juliet', who says 'what must be shall be'?

In 'romeo and juliet', why couldn't the nurse tell juliet the news of her meeting with romeo immediately?