I agree with Chris that table manners may exist to advance human being's desire for predictability and consistency. However, I also want to add that table manners may exist to develop memory cues as to who is "civilized" or "uncivilized". After all, there is no practical purpose to expect others not to put their elbows on the table or to eat with their mouths closed. But having this expectation makes it easier for others to see who is willing to conform to a social norm and who isn't. For example, X's refusal to adhere to table manners may inform other people's future perceptions of him. This makes it easier for them to cast judgment on X without doing much work.
-- IsaacLara - 26 Feb 2015 |