Need 'How to' on exposure,,,, and balls to do it

[Optimust]

Hey all, been trying to have the exposure talk with her for a couple days, and yesterday was to be the night, but with the kids and some late night work she had to get done for her job, pushed it too late.
I’m getting cold feet a bit and need some reassurances that this is what must be done, and sooner than later.
I changed it a bit, but please chime in with anything that is glaringly bad, the timing line I feel has to be there, or she will just immediately go OM/divorce route.
This is our home, and our family, we built this together, and it is ours together. I love you more than any man can or ever will. I want to be in a committed, honest, loving and fun relationship with you. This can not happen as long as you are in an affair, weather it be an emotional or a physical one with OM, or any other man. It disrespects our vows, myself, our family, and our faith. This marriage doesn’t have room for three people.

This is all about choices, your choices.

If you choose an improved and better life with me and our family, our marriage, and our friends, you will need to end all contact with him, forever, and we will solve our issues together as a family. A committed mother, wife, and friend is always and will always be welcome in our children’s home. D1 and D2 deserve an honest, stable, and loving environment which we provide them.

If you choose to put the affair , it's damage, and all the horrible things that come with it above the needs of our family, and continue causing damage and confusion to our children, and marriage, I can not support you. You need to be aware that the affair. it's participants, and the pain and drama that it causes are never welcome in our home."

You will have the time and space you need, yet these choices need to be decided upon soon.