Aaahhh...just chilll its realllyy fyn....ma own sis used to do da same...she was completely tomboy....it happens coz the kids like behaving dis kinda....wen she will grow up forsure she will a gr8 lady like u....we too were quiet upset bout my sis but trust me if u see her noww...goshhh u feel she is da only single girl in our family...lolz