My Girl Friend Is Mute In The Last Two Weeks,i’m Very Sad,?

My girl friend is not responding to any of my messages,i know she is busy with her pg programme and not time,but atleast a 5 mins just send me one mess atleast,that can relax me,but she is not doing,she knows my love is so true,but she is concern with her studied more,so she is avoiding actually,i beleive in sun sign and all and she is Aries,she never became angry to me,there is no such cituation formed like that,she is having very open mind,her messages won’t limited to words,if she send mesages then it will be in lot of sentences,everything is similar in our case and even i make her understand,my background,and for may days before she is very close,but now she is not attending or not messagig,i’m so sad,what would i do