Irish, you don't want to go to couple's counseling unless you hope to be a couple.

You said she saw your FB, did you by chance have pics of you and the new GF, perhaps with the girls on there?

This is really looking like a classic MLCer that sees that you have really and truly moved on and is scared.

I think you saw some monster because she didn't hear what she wanted to hear.

Definitely time to step back. You have been kind. You have been open. She is just not ready, as we all suspected. The time will come though.