Viola being cesario experiences that being a boy has its benefits, like getting to work for duke orsiono because being male meant one could get work faster. as well as benefits there were limits like not being able to expose who she really was. this meant pushing her feelings for the duke aside because he knows her as a boy and not a woman. also viola being cesario experienced how a man named antonio mixed her up with her brother sebastian. this confusion that antonio has made viola realize her brother sebastian could still be alive and when antonio says in act 3, "thou hast, sebastian, done good feature shame (lll.iv.33). this quote shows how antonio confuses cesario (viola) is exposed to the truth about her brother being alive. if she were still a girl she wouldnt know that her brother could possibly still be alive and could still be grieving over him.