I drink a time to socialize with adults. Or older, it is a courtesy. If rejected, this adult is considered rude. Thailand must respect older people. Higher than any previous title.
I drink to the society with adults or older people, it is the etiquette. If this is considered to have evolved and the thaphuyai wireless etiquette. Thai people must respect those who are older or higher nathi positions.
I drank in the society or people who have a large over the age manners if it is denied that the decency to respect people who have a job or life more than higher หน้าที่ๆ