She puts her head on his shoulder, and for a second, it's like the other good night, the night of the bonfire, the brief lifting of the yoke, freedom from the circle: Marco hurting Anna, Anna hurting Ted, Ted hurting Rachel, these endless rounds of jealousy and harm.
He unrequitedly loved Anna; Anna unrequitedly loved Marco; Marco probably unrequitedly loved some rando none of them had ever met. The world was pitiless. Nobody had any power over anyone else.