Romeo and Juliet are discussing their love for each other. Juliet says that she wont be a Capulet if it means she can be with Romeo
But soft! What light through yonder window breaks?It is the east, and Juliet is the sun.Arise, fair sun, and kill the envious moon. That thou, her maid, art far more fair than she.Be not her maid since she is envious.
Ay Me! O Romeo, Romeo! Wherefore art thou Romeo?Deny thy father and refuse thy name.Or, if thou wilt not, be but sworn my love,And I’ll no longer be a Capulet.
Juliet is saying that Romeo is crazy for wanting to change his first name
I take thee at thy word.Call me but love, and I’ll be new baptized.Henceforth I never will be Romeo.
My ears have not yet drunk a hundred words Of that tongue’s uttering, yet I know the sound. Art thou not Romeo, and a Montague?
Romeo asked Juliet to marry him and she said yes
Th' exchange of thy love’s faithful vow for mine.
But to be frank, and give it thee again. And yet I wish but for the thing I have. My bounty is as boundless as the sea, My love as deep. The more I give to thee, The more I have, for both are infinite.