10. The Cord

"Mother" leads Romero to Norma's body and as Romero mourns over it, Norman subdues him and shoots him with his own gun. Before Romero dies, he tells Norman that Norman will never be able to escape from the fact that he killed his own mother. "Mother" tells Norman that with Romero dead and now that he really knows the truth - that he killed her - there is nothing left to protect him from, and she leaves him for good. Unable to handle this, Norman's mind regresses to when they first moved to the…