Once and for all, let’s settle the discussion about the familiar “tu” or the formal “vous” in French. I found this witty flow-chart which will take you through all sorts of social situations.
You will find out how to address God in French, among other things. (You might be surprised…)
Also, how to address your boss if you are upset with him and you want to let him know about it. (I would like to be a fly on the wall, provided your boss speaks French and you talk to him/her on a regular basis in French… Riiiight!….)