You need an actor who can maintain a character over a long period of time. If you have a weak actor, it won't be obvious in two hours, but you'll begin to see his weaknesses over four or five days.

Athletic skills are acquired over a long period of time and after countless hours of practice.

A kaiseki meal is like that, very small courses over a long period of time.

There are also scientific problems with the concept that each of the creation days was a long period of time.

But my answer to that question would have to be, aside from the obvious, which is the people and the relationships that you garner over a long period of time but the catering. The catering. They're the best. So it's the food.

Refining is inevitable in science when you have made measurements of a phenomenon for a long period of time.