Everyone is expected to use chopsticks, but of course forks and knives are available on request. As a formal dinner has 12 courses, it is wise to eat only a little of each. Diners should utter exclamations of delight when dishes arrive, and praise the food. Chinese tea is traditionally considered the best accompaniment to Chinese food. But status and drink have become associated, and fine French brandies and cognacs are favourite beverages in Hong Kong, which consumes more per capita than anywhere else in the world.
Beer is also popular.
The Chinese do not usually linger after a meal. We may never know the answer. But chopsticks certainly make sense, and if you really want to enjoy eating Chinese food in Hong Kong, handling chopsticks properly should be one of your accomplishments. A pair of chopsticks combines all the assets of a fork and spoon. They can be used for separating and serving the food from the serving dish to your plate and then from there to your mouth.