Tybolt challenges Romeo to a duel (by letter), Tybolt is a talented fighter because of his accuracy, Mercutio and Romeo have a funny chat talking as they used to and Mercutio likes it because they haven’t talked like that in a while, Peter and juliet’s nurse are talking and Peter is taking the piss out of her (calling her old and fat), Rome has to be 100% sure he wants to marry juliet, he has to make sure juliet confesses to her family, so that they can get married quickly, he plans to join her in her bed after the wedding ;).