There are three kinds of type O person's attitude: good strength compared with other people and sensitive for good and evil, heavy credit about friendship.

To get to know each other, type O people are very pay attention to the other person's attitude is friendly, or hostile, and feel special sensitive on this.Especially in public opinion, he is very attention for and against him.

Type O people for being generous with weak performance, and for much stronger than themselves, will be surprisingly unconditionally to obey, but, in close, and have good's side.Type O person the most disgusting seniority to succumb to nominal without intellectual equipment of an honour person.

Type O people unknown to their number and knowing little about the intent of vigilance heart is twice as tall as ordinary people, no, it should be said that five times.Often hear some people complain about the investigation of blood type: at the beginning of "this job really don't want to do, to survey blood type O people, every time they always asking why to ask, 'why do you ask my blood type?' 'what are you collecting blood type data sent to use?'they are reluctant to report their blood types ".(Blood type and personality /xx/)

Type O people think if the other party can be trusted friends, its attitude there will be a one hundred and eighty - degree change: outgoing and cheerful, friendly easy-going;Enthusiasm active care, color is covered with upon others, but full of human warmth.Mentioned caress will come out of the full performance of the heart,Also like the family communication.Can say, the most worthy of making friends is type O.Conversely, if decided that each other is the enemy, O people of reaction is strong enough.