Oh dear, I really don't know much about cats as I haven't had one since I was a child but as soon as I started reading your post, I thought to myself, "something may be wrong with Peanut" Of course, I'm far from an expert and I pray that I'm wrong. From somewhere in the depths of my mind, I feel like I've heard of this behavior in cats when one is ill.

Again I hope I'm wrong. Perhaps I should just keep my big mouth shut but this struck a chord somewhere and I....
Anyway...let's see what others have to say....