Do wait for your host to sit first
Don't turn down food placed in your bowl by your host K Do learn to use chopsticks                                                                             
Don't leave chopsticks in a v-shape in the bowl, a symbol of death
Do tip about 10% in restaurants as wages are low
Don't tip if there is already a service charge on the bill
Do drink every time someone offers a toast
Don't pass out face down on the table if the toasting goes on all night