I enjoyed reading all what you've written, it was very interesting and even funny!!

(french people don't have problems only with english but with all languages that aren't Français...

)
I don't want make Psy angry so :
do you think it's useful for a medical student to know more than one language?
why? / why not?
I say : Yes, I do
Because: ...euh...for the same reasons you quoted...(my english is unfortunately too bad and expressing my opinions by myself would be a real big circus...

)