Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...

Put your self in positive motion. Give yourself time to have a "pity" moment, then stuff all those feelings into a box until you have a quiet time to sit and "pity".
Keep it simple. You keep the kids growing, learning, moving forward.
Your feelings are real. However, feelings do not get the kids fed, the kids on schedule. Keep your focus positive.
At this point, nothing you are writing about is going to change, until you change it.
Best wishes. Be the caregiver for your children!
Stay hydrated. Do gentle flow motion to keep yourself in the moment with the children!
I don't know how somebody can abandon their family like that, but I don't waste too much time on trying to understand insanity. It is what it is, whether I understand it, or not. I try to keep my focus on finding ways around other people's insanity more than understanding it.
I DO want to congratulate you on having the courage and fortitude to stick with those beautiful daughters. Gentle support while you find your way to being the best mother you can be.
Welcome aboard.
so you can get help. Also journaling to get your feelings out can be a help.