I have thought of that too, tlloveshim..if i had children i would never want her around them esp not alone..thats so great that you protect yours..i have heard my MIL telling the other grandchildren some crazy stuff!
It's just sad when people get so nutsy that they can't even be trusted with their grandkids! My MIL started talking to my 10 yo ds (who is now 19) about me behind my back. He was so distraught he came home crying. When we confronted her, she wouldn't agree to never talk about me again so we opted to keep away. Very sad.