Self-centeredness
I believe the answer is:
egoism
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">self-centeredness</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that self-centeredness can be written as egoism)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for egoism that I've seen before include "Self-seeking" , "display of selfishness" , "sense of superiority" , "principle of self-interest" , "Self interest" .)