It is a possessor’s fury, false identity unearned aspect of desire denied, pursuing that which does not want to be pursued by you.
So, she places you in a friends position, which should be enough, even though you are truly in love, and you try to be satisfied while she tells you about these other guys, alcoholic abuser, toxic users, who gets her drunk so they can **** her, while you want to hold and protect her.
One day she tells you how great they are, the next time you see her they are *******, but she just goes right back, and your pain grows, transforms to rage and turns inwards cause you know for her to choose those dudes who hurt her over you must mean there is something spectacularly wrong with you.