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.
Contingency is an estimated assessment of risk within the process of design and construction that may result in increased cost beyond that estimated within project budget. This risk is assessed for each component at the start of the budgeting process and is evaluated at major milestones.