There was once I did not like the service so I tipped less and the waitress rushed out to the door and demanded us to pay in 10% full... and that was a Japanese buffet restaurant... in downtown...
Most Chinese restaurant, I do not get proper attention from the waiter or waitress. Like those high end Chinese one, they usually pour soup for you and whenever I need refill for my tea, I would get, I would pay about 15%.
You are such a gentleman, many restaurant employers consider tip as the major part of their staff's income so they only have to pay them minimum pay, then they ask the servers to pay 15-35% of the ...
Thank you for your compliment. However, on the other hand, if the service is bad, I will not leave much.