self absorption

/ˌsɛlfəbˈzɔrpʃən/
noun
  1. The state of being excessively focused on oneself, one's own thoughts, feelings, or interests, often to the exclusion of others.
    • She realized her self-absorption was hurting her relationship and decided to change.
    • His self-absorption made it hard for him to maintain friendships.
    • The novel explores the dangers of extreme self-absorption.