The name of Quoc-Tuan indicates you are a patient, meticulous person who enjoys working in a very detailed, systematic way, in such fields as mathematics, science, mechanics, computers, or engineering. Accordingly there could be much monotony in your life as you rarely have the ambition and confidence to make changes of any importance. You do your best work when there is no disruption, as you do not easily adjust to interference and changes once you start a project; also you like to work step by step at your own speed. Your infinite patience has allowed you to develop intricate, involved skills to perfection. You do your best work when there is no disruption as you do not easily adjust to interference and changes once you start a project; also you like to work step by step at your own speed. Your infinite patience would allow you to develop intricate, involved skills to perfection. A general pessimism does not allow you to have vision, optimism, and inspiration. Neither spontaneous nor responsive, you need time to think and plan your actions and dislike changing a pattern of living that is comfortable to you. Over indulgence could cause stomach or intestinal disorders, growths, arthritis or rheumatism; starchy foods would cause your body to be heavy, sluggish, and overweight. You tend to be dominated by lyour habits and dislike changing a pattern of living that is comfortable to you.