Tactics for Temper Tantrums (part 7)
Retreat
Sometimes there is nothing else but to retreat. Let the child know you will absolutely not be drawn in. This approach is justified when the stimulus to the tantrum is so absurd that it is not worth any effort (such as the one that frequently occurs when someone fails to cut the sandwich in precisely the correct size pieces). No parent should be expected to wasted much imaginative effort on such minuscule matters.
In this case the parent retreats to another room, bars the door and waits it out.