14.He was already starting to show the admixture of sensitivity and insensitivity, bristliness and detachment, that would mark him for the rest of his life.
19.Nowadays the terms " cynical" and " cynicism" have come to mean a sneering disbelief in human sincerity, and they imply insensitivity to other people's suffering.
20.And I wonder if it's more a matter of–which is rare for him–kind of insensitivity to the specifics of the language he's using rather than a real intention to label the people who are in those situations as trouble.