My partner's actions hurt me but when I bring it up to her she says I'm controlling?

Is it really fair of her to accuse me of being controlling when I'm just trying to tell her to stop doing something that hurts me?
For example: getting too close with another guy who I have insecurities for and I have asked her multiple times to either block him or stop.
But she always tells me that I'm not letting her have her freedom and that I should trust her?
My partner's actions hurt me but when I bring it up to her she says I'm controlling?
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