In the scene where Steve Martin and Mary Steenburgen are fighting over the fact that she is pregnant, Steve says "...Let's just have a dozen and act like they are donuts." In the movie Cheaper by the Dozen (2003) he plays the father of a dozen children.
Helen is sitting in the chair, looking at the pictures, Julie comes in and they begin to argue. When Julie runs to her bedroom and Helen jumps out of the chair, the pictures fly all over the floor. In the next scene, when Julie is picking up the pictures, they are dropped in one pile on the floor.