Eating and drinking are important with Vietnamese: “it is no use preaching a hungry man”.
A lot of Vietnamese's activities are often started with “eating” – “ăn”: ăn uống (drinking), ăn ở (living), ăn mặc (dressing), ăn nói (speaking), ăn học (study), ăn ngủ (sleeping), ăn nằm (sleeping with together),etc. To calculate the time, Vietnamese also take the eating and planting to measure...