When in doubt have two characters argue about something. Put some exposition in the argument.
Flip the obvious. The truck driver isn’t a burly man, but a beautifully dressed petite woman.
Close your eyes and “see” where you have set the scenes. Record what you are seeing as if you are a reporter.
He says authors who write for character should spend five minutes writing without stopping about what could make what’s happening to the character worse. And then go back and incorporate some of it in the scene.
Authors who write for plot should find a place in the manuscript where something bad had happened to the character, and spend five minutes writing the character’s thoughts, as passionately as you can. And then go back and incorporate some of them in the scene.
I’m going to give it a try.