Couldn't hurt to go out with her, just don't let it cost you and of course, do it only if you're enjoying it.
Back to the PUA shit

- ideally (for you) the tables would be turned and the chick would be worrying about if the guy has accepted them or not. As for how to get that, there's plenty of good reading material out there, but it really boils down to your mindset that you are a good catch for any woman, women are lucky to be with you, and magically you will not find yourself confused about (or even really concerned with) her intentions.