@5128gap I think when people come to Mumsnet it's in the first moments or weeks of shock generally. In those phases, they're in denial. Often their spouse is still lying to them and often they're natural interior defence mechanisms have displaced anger onto the paramour as as way of battling the cognitive dissonance.
Fairly quickly, that gives way and the betrayed can accept what their spouse has done. I've never met anyone who months/ years on from the affair hasnt redirected that to their spouse. Dependent on circumstances their attitude to the OW will become more reflective of facts.
For example, if the OW was remorseful and immediately minimised damage to the spouse, the spouse will often let go of much anger or blame.
If, on the other hand the OW was vengeful, cruel or spiteful, they will apportion more blame. Justifiably.
My point is to allow allow people to feel that. If the OW has done wrong to you, I don't think it's helpful to be told they're innocent.
All affairs are not equal.
I have read some where it's obvious the cheater is cruel, unrepentant and most definitely has tried to shift blame into the paramour.
I have read others where the paramour was the instigator, possibly DID prey a fair bit on the weaknesses of the cheater and the cheater has commnited a great deal of time and energy to remorse and atonement.
I think most women who travel through years of affair recovery, likely counselling, are pretty well able to identify who-did-what, who's sorry and who's spiteful. In that space they do almost all come to a place of deciding for themselves how they feel.
I don't think it's helpful to try and use clichés on them to invalidate that. A great example is me personally being told I need therapy, am bitter, am stuck in the past, or am "stirring hate".
I'm so far along this road it amuses me rather than upsets me, but I know for certain. The woman who targeted me and my family in such cruel ways simply because she fancied a bit of my spouse and thought
A) if she destroyed me it would make him love her
B) if age couldn't have him, she was going to destroy everything he loved
Was not a good person. She was deserving of anger, name and accountability for her own actions
My spouse, by turn, did many, many wrong things and endured years of anger and of course ultimate blame, but he was also immensely remorseful and thus in time earned forgiveness.
Those who've been cheated on generally aren't bitter or stupid or deluded or (and this is the worst) "misogynistic". They just may or may not be angry at people who've done bad things to them.
I think they deserve support and kindness, as they are the only victims.