What are three quotes that show how Juliet is impulsive?

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favoritethings eNotes educator| Certified Educator

After Romeo and Juliet meet, kiss, and speak briefly, Juliet asks her Nurse to find out what his name is. While the Nurse leaves her to ask, Juliet says,

If he be married,
My grave is like to be my wedding bed. (1.5.148-149)

In other words, she says that if the Nurse tells her that he is already married, then Juliet will never marry anyone, ever. Her wedding bed will actually be her grave. This is a pretty impulsive statement, as Juliet is only thirteen and she has only just met Romeo, and yet she is willing to make such a dramatic statement.

When the Nurse returns and tells Juliet that he is the son of her family's enemy, Juliet says,

My only love sprung from my only hate! (1.5.152)

Again, Juliet's impulsivity leads her to make a statement that implies she will never love another: Romeo will be her "only love," despite her youth and the very early stage of their relationship (if we can even call it a relationship at this point!). She believes herself to be utterly in love after having only exchanged a few words and kisses with a young man, and, moreover, she cannot imagine that she will ever love again.

Later, on her balcony, Juliet speaks to herself, believing that no one else is around to hear her. In part, she says, addressing her remarks to Romeo (who she does not realize is there),

[...] be but sworn my love,
And I'll no longer be a Capulet. (2.2.38-39)

Here, again, after having only exchanged a few words and kisses, and despite her knowledge that loving Romeo would be totally unacceptable to her family, Juliet is ready to completely leave her family and join his. If he is willing to accept her love, she is impulsively ready, now, to give up her family and her life to join his.

clairewait eNotes educator| Certified Educator

Juliet is not an impulsive person until she meets and falls in love with Romeo.  Her first act of impulse is her decision to marry a boy she has only just met, in Act 2 Scene 2 (end of the balcony scene):

JULIET
Three words, dear Romeo, and good night indeed.
If that thy bent of love be honourable,
Thy purpose marriage, send me word tomorrow,
By one that I'll procure to come to thee,
Where and what time thou wilt perform the rite;
And all my fortunes at thy foot I'll lay
And follow thee my lord throughout the world.

The next impulsive move she makes is in Act 3 Scene 5, after Romeo has killed Tybalt.  Her father has promised her in marriage to Paris (within 3 days) and she resolves to get out of this with the help of the Friar or by killing herself:

JULIET
So many thousand times? Go, counsellor;
Thou and my bosom henceforth shall be twain.
I'll to the friar, to know his remedy;
If all else fail, myself have power to die.

Then, of course, finally, in Act 5 Scene 3, when she sees that Romeo has killed himself, she kills herself:

JULIET
Yea, noise? Then I'll be brief. O happy dagger!

[Snatching Romeo's dagger.]

This is thy sheath; [Stabs herself.] there rust, and let me die.

[Falls on Romeo's body, and dies.]