Why do some girls’ like trying to get her man jealous and say disrespectful things in front of his friends to embarrass him?

Why do most girls’ think this kind of behavior is funny? I know most people can take things a little too far , but it seems most girls’ don’t have any filters when it comes to stuff like this. I have heard girls’ say her man can’t perform like her ex did , or her man isn’t as as big as her ex , and than speak highly of her ex in front of him and his friends. The look on his face is pretty sad to watch. I know some of these guys’ cheated on their girlfriends’ after she said shit like this , Why do girls’ have this type of behavior?
Why do some girls’ like trying to get her man jealous and say disrespectful things in front of his friends to embarrass him?
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