“Speaking ill of the ex is internalized by the child because it`s made up of both you and your ex,” says David Pisarra, a paternal rights lawyer at MensFamilyLaw.com and author of A Man`s Guide To Child Custody. “What you say about the ex is what the child will react to and also think about himself.” I am a great advocate of the common physical guard. If possible, I want children to spend a lot of time and good relationships with both parents after a separation or divorce. But there are several potential problems and pitfalls with shared physical custody. I address the most important things in this entry, including: Amen, almost all children would be in shared custody if both parents were really physically and Finnish equally responsible. The mother`s attitude that her only ladder would quickly come out the window.