Co-Parenting with narcissist should not be something a parent should do if they have any interest at all in raising a happy and successful child. The best thing a parent can do in this situation is to not meddle with an ex’s narcissistic behaviors. There are many great tips for getting over a toxic ex. However, most of these tips can be summarized by looking at the big picture. Don’t sweat the little things. After all, none of it will matter in the long run, so look out for the well being of your child over all else.