Continuity mistake: When Mike takes the family photo he's smiling, but in the next shot with the photo printed he's not.
Continuity mistake: When Leigh Anne is on the field explaining to Michael how to play taking care of his teammates, the sun changes between shots.
Continuity mistake: When Leigh Anne goes downstairs to see Michael after the first night he stays with the family she is wearing a simple gold cross necklace. When she has to catch up with Mike out on the driveway she is wearing a cross make up of round diamonds. The two necklaces change appearance in same scenes in several places.
Continuity mistake: In the scene where the family is preparing their Thanksgiving plates, Sean Tuohy puts green beans and mashed potatoes on his plate. In the next shot of Sean, it is empty and he is putting mashed potatoes on his plate.
Continuity mistake: When Mike's given his car, the position of the blindfold over his forehead changes depending on the angle. Either it's close to the eyebrows or several inches above.
Continuity mistake: When Leigh Anne and Michael are shopping at the Big & Tall store, Leigh Anne's hand moves from her purse to clasping her other hand in front of her, between shots. (00:33:20)
Continuity mistake: When Miss Sue is describing the University of Tennessee to Michael at the dining room table during a tutoring session, there is an Ole Miss logo glass/cup on the table. The logo (and glass/cup) moves several times during the scene.
Continuity mistake: In the graduating scene Mrs. Tuohy's necklace is in a regular position, then it is up higher, then back down.
Continuity mistake: Towards the end where the family is saying goodbye to Mike at college, the sun changes between shots.
Continuity mistake: When Leigh Anne is making Thanksgiving dinner, she's holding a wine glass up to her mouth, then in the next shot it's down near her chest. (00:25:50)
Answer: Because you're seeing her in the reflection of the window and thus you see a reverse (or mirror) image (i.e. the camera is pointed toward the window and not the car).
Bishop73