At this point, as was stated, this is all too new. There are too many emotions involved to make a decision you will have to live with forever. I suggest you continue, day to day for awhile and see if you can see yourself with her. Sunbuckus, as well as my wife, decided to try to fix it and make it work. Thank goodness the first impulse was not followed.
People make mistakes. Some are huge. Still, we are only human. I hope you can make it work with her.