How to leave scorpio relationship.?

I fell for scorpio women, and in the first it was very good for being a center of someones attention it quickly went from feeling good to obsessive, to the degree that if I don't show my face she becomes anxious and depressed, I told her I will not marry you which she agrees on but she tell me I'm love of her life and won't leave me even after marriage which is for independent libra is a nightmare, currently she's thinking about changing cities for job but cannot make her mind since I will not there and throw practicality out of window because of me, anyone deal with such scorpio and know how to end it respectively?