Natalie watched its lights, thinking, He is going back right now to the lights of the town, to the sounds and the lights and the people. There was darkness ahead of her, with an odd rich brilliance of water beyond, but no human lights along the lake. “Coming?” said Tony, and she sounded amused. “He was right, you know,” she added. “It was probably the last bus.”
Meant to symbolize the farther away Natalie is from the stereotypical idea of "humanity". The breaking from society and life almost. The full descent into madness.

