It was good advice. And pretty much along the lines of what me and Bill were driving at. Get an Attorney, in fact call one now. Just so he can give you the facts about what the state laws and forms/procedures you may/may not have to go through.
Be prepared. If she files for divorce before you do and if she gets custody she will take you for every last penny you have. Not trying to scare you, it's the truth.
It the woman is the plantiff the Courts will almost always side with her. If not always.
Tomorrow go consult an attorney in person, until then visit this website :
http://www.divorcenet.com/
Remember in some divorces women and/or men will claim "fault grounds" (assuming you don't do mediation instead) .