When Brian Younger is walking by Kit Preston's building, he hears the door to the construction site squeaking loudly as it opens and shuts. A second later he goes through it, and the door makes no sound at all.
At the end of the movie, Kit is scared by the fireplace coals moving (making a sound). There is a decent size fire going. In just a matter of minutes, when her husband comes home and they turn off all lights, no fire or light from the fireplace is visible.
When Kit Preston is pushed to the ground in front of a bus and is subsequently helped to her feet to leave the scene, her coat remains immaculately clean throughout, in spite of having fallen face down on a wet road.