Answering Plinky prompts makes me often omphaloskeptical. A good thing or not, I keep answering even when no one is answering back.

Omphaloskepsis
From the Greek "omphalos" for navel and "skepsis" for examination.

Contemplation of or meditation upon one's navel

Omphaloskeptic
Someone who engages in navel-gazing

Omphaloskeptical
To be in a self-absorbed state