Whatever happened in the future I hope you can follow your heart and please don't obey your true feeling. I hope you can be happy from inside to outside rather than to obey yourself.
Those things maybe seem very important and they also bring some hurt to you while you also have right choice to change it rather than to indulge the bad situation and affect by the terrible situation or other things.
You see you can understand what is right and how to protect yourself from her. She is a great girl and she also has many merits deserve you to study and work hard.
I also hope you can have a positive attitude to deal with your life.