1) There are cheap restaurants and expensive restaurants.
2) In cheap restaurants you pay money for services that are worth your money,in expensive ones it's the opposite.
3) The noodle place downstairs,owned by the goose and his son,the fat panda.
4) We are not supposed to make loud noises when eating,especially not when drinking the soup.Other than that,we should not fart loudly.
5) Pointing your chopsticks at other people,making out in front of fellow diners.
6) Because our economy is booming,people are getting better-off and they have so much more money to throw away,that's why.