Detach, D. Right now. Social media is evil, no question. People make up stuff on there all the time, or present themselves differently than they actually are. You'd be better off blocking her so you never see anything she does. I blocked mine. Seriously. I kept getting hurt, and it just wasn't worth it.
Stop thinking about the conversation from the other night, too. You were caring for your children. So what if you were irritated? She caused this.
Now, all you can do is move forward. Talk it out with yourself, or something. Watch a movie. Set some goals. Do something positive!
