He did not respond to fear stimuli, but showed a high degree of interest, but at the same time there was no alarm or avoidance."
In addition, he is not only a lack of avoidance, but also often accompanied by excessive exploration. He said that it is a kind of "can not resist the curiosity."
To face the deepest fear, the training process is very difficult.
"You have to be exposed to situations in which you are afraid, to fully experience anxiety, so that you have a chance to change your response.