The picture on the bedroom wall in Lisa and Bob's apartment is a print of a painting by Henri Rousseau, called "The Sleeping Gypsy," painted in 1897. It is a fantastical depiction of a lion musing over a sleeping woman on a moonlit night.
We might as well face up to it, once and for all. Bob, our marriage isn't a marriage, it never has been. It's a spoiled little boy with a nurse maid.
Robert Macklin: With such a beautiful nurse maid.
Lisa Macklin: Bob, please!
Robert Macklin: Well, I am pretty much of a bust, I guess, and you're ...
After Johnny (the little boy) enters Robert Macklin's house through a front window, Macklin asks him where Johnny's dad is. Johnny answers "At the office. He came home early yesterday, but mostly I'm alone." The camera angle changes at "but mostly I'm alone" from front to left side. You can see that Johnny's mouth is not moving when he says "but mostly I'm alone."