There are certain aspects to a divorce that are always modifiable. They are permanent periodic alimony, child custody, visitation and child support. For the most part, there must have been a material change in circumstances since the entry of the last Order, usually the Final Judgment, unless there have been other modification actions that were not contemplated at the time of the last Order. For child custody there is the additional requirement that the change in circumstances be such that it has had an adverse affect on the children and that a modification of custody would be in the children's best interest. For visitation, there is the additional requirement that the current visitation schedule is not working. For there to be an increase in child support, usually a showing that the children's expenses have increased and the paying parent's income is now greater will merit a serious consideration by the Judge. Child support decreases are uncommon, but possible.