Preoccupation with oneself to the exclusion of everything else.(noun)
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Use "self-absorption" in a sentence
"Fall TV: Get the lowdown on this season's must-see new shows 6. Thou shalt practice self-absorption, especially if you're a Crossroads demon of Scottish origin."
"To see through false sophistication and teenage self-absorption without despising the other person or feeling smug oneself — now that's a lesson well-learned."
"I was about to object and say that depressed people can't be good decision-makers (b/c of the self-absorption factor), but your post isn't really about depression."