Delusional Grandiosity and Narcissism
These days we have all kinds of ways to explain people’s dysfunction. And while there are indeed times when a perfectly healthy person’s biochemistry suddenly and for no apparent reason goes kaflooey, and cases where unpredictable tragedy so traumatizes that it temporarily impairs even the most well-adjusted person, more often, a person’s character not only predisposes the problems they experience in life but also exacerbates those problems when they occur.