Harriet Potter: What it is like to be a witch

When Harry turns seventeen he receives more than just a magic boost and the right to do magic outside of Hogwarts what have his parents and Sirius been keeping from him all of these years is he really who he thought is, is really a he what has Cedric got to do with the whole situation that is on the verge of driving Harry up the wall? HPCD FWHG GWAJ RWLL GWNL SSOFC SBOFC RLNT BWFD.