Not all of them are. There are rude french people, just as there are polite french people. Live there long enough, and I'm sure that you will see that this is true.
I visited Paris a few days ago and found the French to be surprisingly polite. As an American who spoke no French at all, I was expecting the worst because of the rude French stereotype. But everybody was polite and courteous to me. Actually, the French are rather more polite than Londoners in my opinion. People have complained about French people pushing them on the Metro and stuff, but I actually had that problem on the Tube in London a lot. All to often, travelers will find the citizens of most any country are not like their Governments, which is refreshing.
you ( plural or polite form)
Polite (For a girl) For a boy, it is 'poli'.
to say is the verb 'dire' in French.
"Donnez moi" in French means "give me." It is a polite way to ask for something.
political is spelled 'politique' in French.
de rien
In the sense that the English are regarded as always unfailingly polite and the French are great lovers, then yes, the German trains are always on time. In reality, there are sometimes less than polite English people, not so great French lovers, and German trains that may be a bit late.
your life = ta vie/votre vie ("Votre" is the polite form of "you", in French)
She was polite as she dismissed him. It is polite to hold the door for others.
To a girl: T'es villaine To a boy: T'es villain.
The French thought of themselves as being better than everyone else in the 1600's. The population had a hard time recovering from the plague and the French people did their best to be polite, to the point of being snobby.