How to Use Theme in Your Screenwriting

We follow jason bateman home, and we see him looking at pictures of his kids alone. This is the writer's secondary structure, holding back information. And as they are loading up their car and taking to the road, there is one more secret. Marty pulls over because he has to p but he doesn't have to p what he has to do is cry. He hides behind a tree and he cries, and he says, iam, sorry. I am sorry.