It is important to prepare oneself fully for important events in life. Doing a pre-critique is crucial and will go a long way in preparing yourself for important turning points in your life.
Does that mean that you need to be prepared for each and every event? Not at all! However, you definitely need to know which are the crucial ones you will need thorough preperation.
A FPL is important and should be drawn out periodically. What is a FPL? It is nothing but a "Fully Prepared" List which needs to be fully prepared.