Oleolyethanolamide! .......mmmmmmmm tasty!
The upshot (for those who find it difficult to give up the daily rich dessert habit, etc)....is: you're not crazy. The first few days or weeks without that stuff is, indeed, difficult.
I still there are some connections between the vagus nerve and gastric stretch receptors that are relevant to satiety as well. Might explain a nervous drive to snack. Isn't it amazing how much we still have to learn? Even so, we still keep coming back to the lessons our grandmothers taught us.
Now, go eat your vegetables! And sit up straight!