She rejected me before but values me a lot. Could she develop feelings for me if we are already best friends and I radically improve myself?

No, I dont act like a gay best friend and nor does she use me as an emotional drain. I always keep some sexual tension and mystery. We always hang out one-on-one every week mostly for dinner on Sundays. We really enjoy each others company and value each other.

The reason for her rejection last time was that she didn't want a relationship because of breaking up from a 4 year long relationship. She wants to focus on studies. She rejected other guys giving the same reason so I believe her.
She rejected me before but values me a lot. Could she develop feelings for me if we are already best friends and I radically improve myself?
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