Egotist's obsession (4)

I believe the answer is:
self
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">egotist's obsession</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for self that I've seen before include "one's identity" , "Will perhaps" , "One's individuality" , "A person's awareness of their own identity" , "Will the writer?" .)