You never have any idea where your movie's going to go when you're shooting - you're in this little bubble. Everything you care about is getting the next step right: getting the script right, finding the right actors, shooting it.
We give thanks often with a tearful, doubtful voice, for our spiritual mercies positive, but what an almost infinite field there is for mercies negative! We cannot even imagine all that God has allowed us not to do, not to be.