Why do women often like to label their ex-bf as abusive?

When I hear this, I always take it with a grain of salt. Seems like every time a woman breaks up with a guy or a guy with a girl, she's gonna say he was abusive-at least verbally abusive. Never was one bit of the failed relationship her fault. You'd think the world is only populated by horrible guys and innocent women. It's like a reflex for women. Its only natural to question whether a guy was truly abusive when you hear it come from a woman's mouth. Of course not all women this, but when you hear it a few times and know it not to be true, you always have a bit of suspicion.
Why do women often like to label their ex-bf as abusive?
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