3.2.1
Sir andrew has passed by olivia and realized that she is showing more favor to the duke messanger (viola) and not him, he get upset. sir toby to make him still think that she is indeed in like with him tells him that she is only doing it to make him jealous. they tell him pretty much that he shold have went up there and showed him who was boss hog and let him know who girls that he was talking to.
3.2.4
you are now sailed into the north of my ladys opinion
tome this quote pretty much means that they are telling him that you are as good as gone she isnt going to care for you anymore you didnt go up there and regulate when she was talking to viola and he didnt so he lsot she wanted him to go and say something.