drswife, can I suggest you hit the notify button and ask the mods to move your thread over to the Infidelity forum to General Questions 11? You are in the In Recovery forum and you are not in recovery.
I am sorry you have found yourself here. I see quite a few strategic mistakes that I think we can help you with, though. The first is giving your H the cold shoulder. Ignoring him is simply throwing him into the arms of the OW. I know it seems FAIR that he should fight for you, but you are not giving him much reason by freezing him out. That just makes the OW look more attractive, I am sorry to say.
I would take a hard look at Plan A and start that immediately. In addition, it would be very helpful if you would get the book Surviving an Affair by Dr Harley. It will help you understand the dynamics of an affair.
And most importantly, I would suggest phone counseling with Steve Harley, the son of Dr. Harley, founder of Marriage Builders. He can assess your situation and guide you out of this. He can tell you what to say to your H to bring him into the marriage again. He won't waste your time with alot of nonsense, he is worth every penny as he specializes in affairs.
Some good reading to get you started:
How to Survive Infidelity A Strategic Plan For Newly Betrayed Spouses Surviving An Affair The Carrot and the Stick of Plan A by Pepperband
The carrot of Plan A
Meeting your wandering spouse's emotional needs.
Making "home" a warm and inviting place to be.
Placing emphasis on what has worked in the marriage.
Showing consistent self improvement in areas where previously lacking.
Stop lovebusting behaviors.
Communicating with a calm reassuring voice and relaxed body language, even in the center of a verbal storm created by the infidel.
Becoming the person any reasonable spouse would want to come home to.
Remaining open to the possibility of recovery.
Offering forgiveness and understanding.
The stick of Plan A
Exposing adultery where it matters most. Exposure that takes the form of a swift and sudden unexpected tsunami of truth.
Not apologizing for exposure or speaking the truth in a kind yet direct way.
Directly communicating the hurt and devastation that the affair has caused.
Not accepting blame for the infidel's choice to become adulterous.
Let the consequences of adultery and infidelity fall freely upon the heads of the adulterous.
Establishing boundaries that disallow the affair to effect children of the marriage, financal security of the marriage, and otherwise ruin innocent bystanders.
Standing up to infidelity as a beast that must be slayed for the good of the family.
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Plan A is both a *carrot* and a *stick*.