So basically she is aware that there is a jealousy problem. She can identify it and why it exists, so if the story follows on it has an opportunity for her to explore this feeling, how it affects her, and learn to control it and redirect it away from negative actions to improve herself.
It would be a shame if the author decides not to do anything because then it becomes a matter of "Ah yes, another manga in which any measure of communication or rational therapy would fix 100% of all problems in the plot"