Why do men get offended when women try to stop advances?

In the past, there were multiple occasions when men try to flirt, I stop and they gaslight or remain in no contact. These are by no means my friends or dates.

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Well couple of men, in power, would send suggestive texts or images and when I ask to stop, they say I interpret it wrong and be mean at work being mean.
They would send me very suggestive texts or pictures of lingerie and when I ask to stop, would say I took it wrong.
Why do men get offended when women try to stop advances?
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