Generally people leave at the same time from social functions. The most important person arrives last and leaves first. Guests are always escorted part way home after visiting friends. Offering food and drink Food and drink will be offered until you accept some. It is usual not to accept the first or second time.
Alcohol is only drunk with meals.
Education not highly valued. Teachers are not held in high respect. Knowledge is only important in that it is necessary for higher level learning to occur. The teacher assists the student to learn. Gift giving is not normally acceptable.