I am someone who got my H to leave when I discovered his affair, 15 months ago. As he had 'form', my discovery meant our situation was terminal. My fury and distress was directed solely at him.
In the post-mortem, the more I gleaned, the more I hated the OW. I had used my MN detective skills to uncover his deceit, but it was in his sporadic moments of honesty that I uncovered her absolute complicity in the destruction of our marriage.
While he was completely in charge of his own fate (and, by extension, mine and our four young children's), the fact that she declared to him (five months prior to my discovery) that NOBODY could ever possibly love him as much as she did was the cruellest and most destructive thing that anybody could ever say.
His pathetic side-line signalling of his desire to reconcile (which I did not in any way encourage) was completely derailed by her chicken-souping, her soothing words, her whispered words of advice (she is a lawyer), and her buying of bedding and pyjamas for the children to stay at his new flat.
This is a woman who believes that she has found her star-crossed lover, and can totally ignore the fact that our marriage and children existed for a long time before she did. I believe her to be self-absorbed, naïve, grasping, and predatory. After an 18 year marriage, when told to leave, H
did not make the mature, detached choice to be on his own. He rented an expensive flat, but chose to accept invitations to stay overnight with her for ... what? Comfort? Love? Needing mummy?
My anger at her is locked into his persistent ability to make bad bad choices, and she is facilitating and encouraging that. Me? I try to ignore and move on, but I have four very young, very impressionable children and, while I have to involve their father in their lives, I do not want to involve someone whose selfishness, greed, persistence and single-mindedness corrupts the relationship my children have with their father.
I have no choice in this. My H has been until recently been begging me for reconciliation, but she WANTS him. Since I don't, he thinks 'well, OW does, so ...' and he persists in making bad, weak decisions. And ultimately, he lets her steer his decisions.
I am in no way unclear about my H's wrongdoing. I am, however, more clear about hers. That is why I reserve the right to hate her, fear her, and perceive her as a continued threat to the wellbeing of me and my children. I can't even use the STBX soubriquet because (a) I don't live in the UK, and things don't move fast where I live, and (b) his procrastination means that I am paralysed legally and financially, while he and the OW feather their nest. To this day, he denies he is in a relationship with her.
I am absolutely clear about the difference, which is the point of this thread. But while I attempt to move on, the OW is the bad ghost that contaminates the logistics of our separation. H allows it; I can't do anything about it.