Leonard was slurping his cereal when suddenly he had an impulse to stand up. He left the table without saying a word, and that bothered him, because his parents didn't say a word either. It's like they didn't even notice that he had left.
As Leonard left the house (where was he going?), he caught a glimpse of someone walking down the stairs. It looked like an overweight girl. How did she get in his house? And what was she doing upstairs?
Unable to stop himself (although, deep down, he knew this was right), he walked through the neighborhood, seemingly aimlessly. But part of him insisted that it wasn't aimless. He knew exactly where he was going.
After about two minutes of walking, his feet took him to a house. He opened the door and walked in. He had never been in this house before, but it all seemed familiar, for some reason.
He walked up the stairs. And after opening one of the bedroom doors, he saw ...