Child custody issues are never easy. Never. No matter how the parenting plan or custody agreement is put together, there are always the emotions. When your child is at the other parent's home, there are worries over rules and setting of boundaries. There are concerns over what they are watching via the now virtually unlimited media delivery systems to whether they are eating right.
There is the sometimes inconvenience of the transfers between parent's homes, to say nothing of the negotiations to arrive at that agreement in the first place. And that is just with a joint or shared custody. What about when one parent has primary custody and the other parent only sees them for limited periods throughout the year?