Trivia: The first version of the screenplay had the main roles gender swapped. It was deemed too "predatory" to have a woman in a coma and a man claiming to be in a relationship with her.
Trivia: One short shot shows a paperboy falling off his bike. This wasn't scripted, but they kept in in the film anyway, despite the actor breaking his wrist.
Answer: Peter was being boxed out by the other guy, so the other guy was putting his back against Peter's front. With a pencil sticking out of his back pocket, you can imagine how some damage might be done.
Greg Dwyer