preoccupation

/(ˌ)prē-ˌä-kyə-ˈpā-shən/

noun

  1. an act of preoccupying : the state of being preoccupied

  2. extreme or excessive concern with something

  3. something that preoccupies one

noun

  1. the state of being absorbed or occupied with oneself : preoccupation with oneself

… the self-preoccupation of early adolescence.