Why are contracts renegotiated periodically?

You have been making payments on a vehicle for over 2 years vehicle and insurance is in parents name and they stole it what are your rights? In New Mexico how many days do you have to respond to a summons if the alloted 30 day deadline would terminate on a weekend? Where cant you take a concealed weapon? Can a bank foreclosure on property where money is also owed to the government for nursing home costs if property is ever sold? How do I sue a collection agency that has already been notified of my bankruptcy but still called me after charges were dismissed? Women may not drive in a housecoat why? How many women serial killers are imprisoned as of 2013? What rights and freedom did Egyptian people have? In VA can you file Chap 7 bankruptcy and keep your home? What does it mean when your husband whom you are separated from says We'll see to the question of getting back together? What will happen if you fake someones signature? Who is condeleeza Rice? What type of defense was used for Ted Bundy? Do you file a motion in every court case? Is it perjury when you lie to the police? What does by right of representation mean in a trust? Is DC a US territory? Child got into trouble and is in a juvenile detention center does child support still have to be paid? Can anyone define count bargaining as it pertains to forms of plea bargaining? How do you register a copyright?