"No-o-o-o, but-" she stops herself as the train arrives, and the crowds start to move. The way she moved as well, worming her way through the crowd with him along, showed that she wasn't any stranger to the crush - once a city-girl, always a city-girl.

"The trick," Natasha continues once they found two seats by the window, "is fighting our way out after the second stop fills up the car. Ready for the battle?"