In other states, a certain number of years of marriage will cause a prenuptial agreement to lapse. In states that have adopted the UPAA (Uniform Premarital Agreement Act), no sunset provision is provided by statute, but one could be privately contracted for. Note that states have different versions of the UPAA.
Some believe that some association can be learned more easily than other associations learned through classical conditioning, this is called biological preparedness. It is believed that these learned associations are evolutionary important in order increase chances of survival of individuals and the species.
This is due to the biological preparedness that caused me to associate snakes with danger and the reason I developed a phobia. Biological preparedness has also been used to explain why taste aversions are learned so quickly and efficiently compared to other associations. Taste aversions are when we learn to avoid the taste of something that has been paired with the sensation of nausea.