navel-gazing

Short definition from Wiktionary

Noun

1. 1
   Contemplation of one's navel as an aid to meditation.
2. 2
   Excessive focus on oneself; self-indulgent introspection.
3. 3
   (Disproportionate) concentration on a single issue.
4. 4
   Alternative form of navel-gazing.

Verb

1. 1
   present participle and gerund of navel-gaze