There is no state of final fulfillment. Each change opens new doors and ushers in new possibilities.
Movies become living organisms that graduate from a filmmaker's sphere of influence and pretty much look back and tell you how they need to be said goodbye to. A movie often turns around and looks at you and says, "Here is who I am, and that's maybe now how you see me, but that's who I've become. " And you've got to be open enough to go with that.