For some agreements, it is not possible, or even desirable, to contemplate all possible future contingencies which could come to bear. These open-ended agreements rely on the covenant of good faith and fair dealing -- which is implied in all contracts -- to preserve the intent, not just the letter, of the agreement.
Marriage is the ultimate open-ended contract, relying almost exclusively on good faith and fair dealing in navigating the inevitable foreseeable and unforeseeble events which life may throw at us.
