How to make her change her mind about dating?

So there is this girl that I am talking to right now that I really like, and she likes me to. But, she doesn't want to date me because she is hurting from her last relationship and she thinks if we start dating she will hurt me because she isn't ready. So we flirt with each other all the time but nothing seems to ever get close to becoming serious. I have told her many times that how will we ever know if you don't give it a true. I drive her mad and crazy, because she knows it's true and that I make her happy. I would do anything thing for this girl. I am a very stubborn person and I fight for what I really want. And I know she really wants to just how to I get her to say it? How do I get her from think negative to giving it a chance to see if it will work out?
How to make her change her mind about dating?
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