Design for Life: My ex uses our children to encroach on my space

Dear Expert,

I am trying to divorce my husband, but for several years now he has been refusing to get out of my life. He creates conflicts by using the children as pawns, whether it’s through school or our minders. I know that it’s all a way of forcing me to pay attention and engage with him, when I don’t want to. The relationship is over, but he just won’t accept it. I have a ...