The other (possibly the easiest reason why prenups can fall apart) is that the agreement has to be entered upon voluntarily by both parties, so if your spouse o

The other (possibly the easiest reason why prenups can fall apart) is that the agreement has to be entered upon voluntarily by both parties, so if your spouse only agreed to the pre-nup because you threatened a break up then the pre-nup is automatically void. This is the heart of the matter. The courts have redefined the word "voluntary" in an unbelievably Orwellian way.