If you aren't ready to file and things are okay financially, then wait a bit longer. However, like we say around here, you will know when the time is right to file.
Do not be so readily available to her. If she texts, emails or phones, wait a bit before responding and if she asks why you didn't respond right way, just say "I was busy". You do not need to go into a lengthy explanation as to why you were busy. Heck, you could have been eating dinner...but she doesn't need to know that.
Continue to work on you, keep the focus on you and your family. You can do this!
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.