I mean, if you are directing actors to do one thing and then directing them to do something else entirely because the one thing you wanted them to do may not work, then you are just shattering their confidence in the project.
There is a brief moment when all there is in a man's mind and soul and spirit is reflected through his eyes, his hands, his attitude. This is the moment to record.
It is the logic of consumerism that undermines the values of loyalty and permanence and promotes a different set of values that is destructive of family life.