-1, the language is straightforward, concise and accurate, and the words must be well-founded;
-2, clear behavior, will not waste energy on emotional games;
-3, strong sense of time, do not like to chat with people, do not like to deal with people who talk nonsense;
-4, the appearance is indifferent, but the psychological activity is very strong, and there may be a tendency of self-appreciation and narcissism;
-5. Worship those who are better than themselves in knowledge and despise those who are weaker than themselves-lofty.