In this scene where Peter Clark Gable and Ellie Claudette Colbert are hitchhiking, her cool wit undermines his gruff confidence. Perhaps you just want the reader to pay more attention, or you are trying to balance the overall pace of a scene.
Everybody is you.
You do want to create a rhythm and allow the reader to become comfortable with your writing style. Want to know more about writing dialogue? Long sections of dialogue, especially between two people, can quickly become daunting for a reader.
A key thing that stood out to me, as it does time and time again with any Tarantino film, is how well it was written. Especially the dialogue.