Self-obsessed (12)
I believe the answer is:
narcissistic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">self-obsessed</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for narcissistic that I've seen before include "Self-obsessed" , "Self-loving" , "Crisis in cats (anag.)" , "Self-centred" , "vain" .)