How to behave in the metro in Paris:

1) get in;

2) stay in the middle of the carriage (do not even think to go left/right to let people behind you to get in!)

3) when your stop is the next one: do not start to move to the exit while the train is moving. Wait till train stopped… Waaaaait… And start to go in the direction of the door loudly saying «Pardon!»

Have a nice trip! 😉