indifference — lack of interest or concern: We were shocked by their indifference toward poverty.
conventionality — the quality or characteristic of being conventional, esp in behaviour, thinking, etc
familiarity — thorough knowledge or mastery of a thing, subject, etc.
normalcy — the quality or condition of being normal, as the general economic, political, and social conditions of a nation; normality: After months of living in a state of tension, all yearned for a return to normalcy.