Sometimes if you have very confident people, you have to tell them please, be polite, there are other players are good enough as you and you should never speak out of an orchestra. ↗
In Japan, you have no idea what they are saying, and they can't help you either. Nothing makes any sense. They're very polite, but you feel like a joke is being played on you the entire time you're there. ↗
In truth, politeness is artificial good humor, it covers the natural want of it, and ends by rendering habitual a substitute nearly equivalent to the real virtue. ↗
Being polite and grateful will make people more inclined to help you. And if people are willing to help you, you may accidentally get something you want. ↗