I think you should completely freeze her out.
I mean not really ignoring her but show disinterest on every level, the friendship as well as attraction level. And she should see you with other girls etc. Make her the feel of "fear of loss".
When you talk to her (like without any interest, just small talk) you should mention the really beautiful but annoying girl in the gym that is always following you while you are doing your workout etc. And tell it in a very funny/enthusiastic way.
Hope it helps
Edit: and after she will then seek your validation etc after a couple of time, then you should start all over again with your game and this time integrate kino.
Cheers
sky
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