A man follows a woman out of a movie theatre, who has a dog on a leash.
He stops her and says, "I'm sorry to bother you, but I couldn't help but notice that your dog was really into the movie. He cried at the rightspots, he moved nervously in his seat at the boring parts, but most of all, he laughed like crazy at the funny parts. Don't find it unusual?"
"Yes," she replied, "I found it very unusual. He hated the book!!!