Sometimes the bossiest of people can be great at being friends...and that's what can be so deceiving. You hate what they are doing and yet you want to stay friends with them because you think they can be so nice at times. In this case, you aren't being treated very well and you know it or you wouldn't have asked this question. Lose this girl as a friend and do it ASAP. She isn't treating you with respect and you deserve a better friend. Don't give her any explanations for your exit or anything. Walk away. You need to think about yourself and have respect enough for yourself that you can do better than this. If it were me, I wouldn't be her friend or go back to her for any reason at all. Good luck