Ennui is a feeling of satisfaction and slight boredom. Of course it's French- who else would have such a perverse state of mind?
Aboulia is a much more definite word, meaning inability to decide or do anything. From the Greek for lack of will. It is regarded by doctors as a Disorder of Diminished Motivation.
So that's what's wrong with me!
IS IT ALL GREEK TO YOU?
PETER THE PROOFER CAN HELP!