Dim Sum Habit No. 1: Refilling

You should try to pure tea to your neighbor as much as possible. Even if their cup is half full. If someone respectful such as your father, mother, teacher, uncle, aunt, grandfather, grandmother is present it is considered respectful to serve them first or at least give hints that you want to serve them something. Lots of time they are going to say, that you should just help yourself, but it's important to go through this steps. If you understand this, you understand a bit of the Asian mentality. It comes down to sharing and showing respect, even if you know how the answer will already be. The thought is important.