Would that it were true. I've known a couple of people who've gone through life with blinkers and rose-colored glasses who've never themselves experienced hardship and seldom recognize that others might.
Exactly, what I wrote. However, the human's' behavior (incl. human's attitude to reality) depends on how the individual personality is shaped in the context of the subjective experiences and interaction with the environment (generally speaking).
Problem of the human's behavior is very complex and its description depends on the area of interests.
For example, the use of the "Dialectical Game of Needs - GDP" together with physical and mathematical models of human activity and behavior (e.g. Quantum, Mechanical, Statistical models) allows for a better understanding of the behavior of both an individual person as well as a human group, which I described in details in my book THE POINT (SEDNO) - ed. 2012yr.