Father

Suddenly, my father disappears and I do not see him for a few months. He has disappeared again and again. In the result, he became a man who has nothing, any money, relationships, and thoughts. To become a man who has nothing is what he wanted. It enabled him not to care about himself nor others who care about him.
One novelist wrote this. “If it is true that we can ever come to know another human being, even to a small degree,it is only to the extent that he is willing to make himself known. A man will say: I am cold. Or else he will say nothing, and we will see him shivering. Either way, we will know that he is cold. But what of the man who says nothing and does not shiver? One can do no more than observe. But whether one can make sense of what he observe is another matter entirely.”
My father would shiver if he feels cold, but if you ask him "why are you shivering?", then he would answer " I do not know." we can't know whether he does not know it really or he does not want to think. He probably does not know it himself.
source: kanagawashingo.com