The girl in my school who has the reputation of being the most "cheap" one (not because shes a slut but bc shes friends with a LOT of guys) seems to have gone normal overnight.

She used to give me IOIs and then semi-ignore me when I actually tried talking to her, which I recognized as attention-whoring so I just started completely ignored her (Her IOIs started increasing after that, to the point where she would start talking to me out of the blue with a "good girl"/positive vibe)

Then one day shes just completely changed. Ignores me, barely hangs out with her guy friends anymore, and starts a "relationship" with one of her mediocre guy friends (weirdest relationship I've ever seen, they dont even seem to like each other). Wtf is this?

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How does TRP explain this? If I was her bf I would think she 100% at least flirts with other guys behind my back, but she doesn't. How does TRP explain this?