Gals, does saying "you're immune to his charms" ever spark unexpected feelings toward him?

I see it in movies a lot so much that it sounds cliché. Movies and shows often depict an exaggerated piece of what they want reality to be. Please explain what is the push and pull mechanism before love actually happens? I've felt it, so someone else had to feel it too.

Gals, does saying "you're immune to his charms" ever spark unexpected feelings toward him?
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