Answer:
The correct answer is: self-awareness.
Explanation:
Keiko meets her classmate and soon realizes she doesn't like people like him, this is a perfect example of self-awareness.
Self-awareness is a necessary skill for all humans, that involves knowing ourselves, what we like and what we don't, and invest time in learning more about ourselves. People that have good self-awareness understand themselves, their emotions, motives, desires, and character very well. This is also very important to develop better relationships with other people.
It is thought to believe that the neurobiological basis behind this is the existence of mirror neurons.
