In my current state of mind, yes I probably would. Even with all the fucked up, evil, and heartless shit she has done to me. I just can't turn off love no matter how hard I try. Queue the 'you need more self respect' comments... I know.
This is what I suspected.
You think you don't have self-respect or self-worth. I don't think that's true. I think your sense of self-respect and self-worth are just being eclipsed right now by the denial phase of your grief, which kicks in especially hard when something this shocking happens so fast, and especially when you are already in a vulnerable state, as in still grieving/ never having fully grieved your recently deceased mother.
As a person in R, for the second time, and having read a thousand stories on this site, let me tell you what would happen if your WW came back and you offered her R. I am telling you this not as baseless speculation, but fact.
One of two things would happen if your R's with WW:
1) Based on the person you described, your WW is way too immature for the hard work of R. She would almost definitely manipulate the hell out of you and push for a hard Rugsweep.
2) But let's imagine a full fantasy where she does as well as the average R-worthy WS. Let's imagine she goes into IC, works on herself, starts becoming the better woman you always hoped for.
Either way, your emotional progression over the next 2 years would go like this:
First 3-6 months: Huge, tremendous relief, giving you amazing marital "highs" where you think "this is going to make us stronger than ever!" etc. Lots and lots and lots of hysterical bonding, sex like it was in the beginning. All of this is punctuated by intensely painful "crashes," where you feel as hopeless and worthless as you do much of the time now, and wonder what the fuck is wrong with you that you are still with this person. Also punctuated by periods of stomach-dropping trust-panic, where you feel convinced that she is still hiding something, possibly many things, from you, possibly still in touch with AP or still active in the A. This makes you feel crazy and paranoid, like you are losing your mind, because one minute everything feels great and fine like it was before, and you are sure you can trust her, and the next minute you are 100% certain you are sleeping with the enemy, literally.
While she is out of the house, you are frantically rifling through all of her shit, checking every electronic trail you can find, spending hours getting your own personal non-official degree in "Amateur Sleuthing for the Terminally Paranoid BS"--all it costs is most of your free time and all of your dignity! After hours of this, she gets home, you act like everything is fine, eat dinner together over awkward superficial conversation, maybe have a little heart-to-heart about the A and your feelings that soothes you temporarily, and then it's to bed for some animal sex, fraught with mind movies featuring her "sucking the OM's dick" (to use your phrase), which make you feel disgusting and also sometimes have the bewildering and humiliating side-effect of turning you on, so that you can hate yourself just a little bit more. Awesome.
If she TT's you on any of the details, or has renewed contact with OM during this time, this glorious period is more likely to last longer, maybe 6-8 months. Give or take.
Months 6-18 (or longer, depending): The shock and denial are beginning to diminish. The "scare" that the M is over is starting to pass, allowing your body/feelings/mind a break from the constant adrenaline-cortisol cocktail you have been main-lining for months.
Hysterical bonding winds down, the tremendous surges of relief begin to subside, as do the worst of the horrendous shocks of panic and pain. Something like "normal" is trying to creep back in. Only every part of you knows, nothing is normal any more. More importantly: normal terrifies you. Normal is how things were when the A happened. Normal means: "winter is coming."
And beneath the surface, something subtle and important starts to happen. This is a change in you that is an inevitable consequence of what you've been through. It will happen for you in R, and it will happen for you in D.
You start to get back in touch with who you really are. You start to remember: "Hey, I'm a pretty great person. Actually, I'm kind of amazing."
Because up until now, it's been all about WW. WW WW WW WW. She's been the obsession. She caused you all the pain. She was maybe going to leave you. Oh, thank God, she didn't. Oh my God, what if she's still cheating? What if she's lying? What exactly did she do? What is she doing now? It's all her her her in your mind, ad nauseum. You can't stop it. (Well, maybe people who are absolute masters of self-control and self-care who have figured out how to R while sitting in some sort of "Transcendent Dojo of the Modified 180" can stop it, but I think those people are pretty much unicorns).
For the rest of us pitiful mortals, the early, "recovery" phase of R is basically a relentless obsession of the WS, and clinging to the wobbly shoulder-bars of the emotional rollercoaster for dear life.
So as you slowly start to emerge from this early phase, you start to remember that, "hey, look at that: me." And as you start to bring our attention back to yourself, you start getting back in touch with our innate sense of self-worth. It was there all along, it just took a mammoth hit to the heart, lungs, liver, and spleen, and has been a little out of commission for a while. And it is not lost on you, in these moments of slowly recovering self-worth, who exactly it was that put it so wretchedly out of commission. And exactly how.
And at some point in that 6-18 month window, if you are doing the work of R (and that doesn't stand for Rugsweeping), you will realize that your sense of self-worth is not only back to full health, it is healthier than it has ever been. Because doing this work has forced you to stand up to your WS, for yourself, risking the M over and over again to do the right thing, and all of this has forced you to truly acknowledge how truly whole you are. That you will really be just fine, in the end, with or without this person. And that is a gift that no one can ever take from you, because it comes from within.
Only, in R, this process has taken quite a long time. There were a lot more delays along the road.
And in R, you are left in a very perplexing place, once self-worth has returned. Because you have never been more fully aware of your own worth, and what you deserve. And also, you are left with the reality of who your WS has been. Even if they have mightily worked and changed, you are left with ugly record of their disrespect, disregard, and cruelty. Can you really live with that? Like, forever? Can you ever really balance that ledger? Will it ever feel that the work they've done is worth what it costs you to stay?
These are the impossibly hard questions you are left with, down the R road.
My point is this. You will find your self-worth again, my friend. It has taken a critical wound, but you are smart enough that you know your value, deep down. And deep down, you know hers. It will all sink in. It will come to you.
And when it does, you will no longer care whether she is happy, or miserable, or sucking someone else's dick. It will no longer matter to you whether she is happier than you, or being punished for her terrible choices. And most importantly, you will have no desire for her to come crawling back. You will only feel relief, at the thought, that she never did, and that you were spared the impossible heart-ache that was waiting for you down the R road. You will simply be: free.
All of this will come to pass, whether you think now that it will or not. Don't lose hope.