my unknown friend

Hey yall i have a friend tht she is in my school and she is kind a mean too me !!!!!!!!!!!! so im quite angry she is not tht friendly and she is a bitch she is in form 4!!!!!!!!!!!!! and she asked me whether im going too do anything too my hair !!!!!!! by tht time she asked me i felt so angry i hope tht she will get low marks in her exam muhahahahahaha (not telling you who is it )