Romeo does not get into Juliet's bedroom in Act II. This happens between scenes iv and v of Act III (and he climbs through the window with a rope ladder). In Act II he only gets as far as her...
Juliet says, "My bounty is as boundless as the sea." Which is an exaggeration or overstatement which makes it a hyperbole. This line is from act 2, scene 2, line 140.
In Act II, scene i, Mercutio and Benvolio see Romeo sneak off behind the Capulet house. Romeo initially came to the party because he wanted to see his one true love (Rosaline), and he ended up...