How do i get this girl to forgive me?

awwwwww.....well wat i dont get is tht she said it was nothin and deleted u as a a friend...its gotta be somethin about u tht she was upset at....how old r u?....u shouldve asked her to unblock u....and maybe....only MAYBE ...she liked u and heard u liked someone else?...those r the possiblities...but if u c her...apologize and make sure u clearly understand y she did wat she did......ONLY IF U RILLY RILLY RILLY care bout her....