It's sometimes difficult to determine when something I'm working on is DONE. Typically, it's when I can stand back and be satisfied with my progress and I feel that any more additions would be overkill. Sometimes, as is the case with this painting, it's when I'm just plain tired of looking at it.
This monster has been taking up valuable real estate in my office for far too long. I picked at it tonight and I just don't think any more work is would make it better. My aunt (who it was painted for) loved it as of the last time she saw it so that's good enough for me.
I'll just be happy to get it out of my office, onto her wall and away from my line of sight for a while.