Why must be ordained age 20 years because. To be mature enough age. If less than 20 years as a novice. But if a monk must 20 years. Being very helpful. It makes we practice training ourselves in the กาสาว robe. What we worship is complex, including the Buddha, Dharma, monks, but remove that will raise the ordination. From the respect namely up as part of the triple gem. Since the wake up until to sleep. What should be remembered, we is yellow robe, thereby practice virtue. The mental training that intensive training in general different, because we have learned that Happiness arising from the peace terminology he called นิรามิสสุข happy is not based on a temptation, is not based on the object.