Jar, I would tell her that you do not wish for them to be aroung the OM. Tell her that this a confusing time to them and you do not wish to confuse them anymore and you would really like to spend time with your girls.
By the way I think she is way out of line. I'm sorry you and your girls are having to go through this.
Life's challenges are not supposed to paralyze you, they're supposed to help you discover who you are. -- Bernice Johnson Reagon