Romeo and juliets act ll is mainly about

Act Two, Scene Three. Out in the street the next day, Benvolio tells Mercutio that Romeo has not yet returned home. The Nurse explains that Juliet will meet Romeo and marry him. Romeo proposes they meet that afternoon at Friar Laurence's chapel. 

Romeo escapes from Benvolio and Mercutio going back to Juliet. B and M thinks he is going back to Rosaline. Romeo is stalking Juliet while she is standing on a balcony. Finally he startles her and then they begin to talk. R swears on himself because they want to be together forever. Romeo whats to marry Juliet and she agrees, After R and J get married through the Friar Lawrence, because the Friar thinks that  marrying them will break the hostile bond between the 2 houses. B and M gets a letter from Tybalt about him wanting to challenge Romeo. The nurse gives messages to Romeo for Juliet and then the actually marry.