Finding an empty school bus, apparently abandoned in a hurry, will not worry a police officer. Being a good parent involves codeine. There are times when hugging your kid is the wrong thing to do. Shooting a broiled dog is just as effective, if not more so, than beating a dead horse. Playing tag with a mutant is a game of life and death.
Kids come apart easier than boiled chicken.
And the scaffolding carries the scene. 30 mins - Go around her. 39 mins - It must get dark really fast where they live. 51 mins - Billy has to be three or four times her weight. Granted, she can burn him to a cinder, but he doesn't know that yet.