This article by Joni Edelman provides some great tips a divorcing parent can take to protect their children from the emotional turmoil that all too often is associated with messy divorces.
1) Leave them out of it.
2) Tell them it’s not their fault.
3) Get therapy.
4) Do not turn your child into your confidant.
5) Maintain a relationship with your ex.
6) Maintain a relationship with your ex, Part 2.