User blog comment:ImperiexSeed/Castiel's shifting of Sam's mental problems made no sense!/@comment-4873164-20120403141655/@comment-4762882-20120404054154

Well imperiex, what we mean is his vessel, is like a barrier to his true self...hes limited to certain things while in his vessel...such as size since he is the size of a chrysler builing as mentioned in 6x07...he cannot use his size to his advantage, because he is in possesion of a vessel(don't know that this supports my statement but just putting it out there)...as this vessel is part of him, they have a struggle...and jimmy as a person, could be dead yes, but his attributes will stay with the vessel such as his hunger for red meat. So when cas became hungry, he was part of the body that was hungry. So he is affected by the body as well. So if jimmy is open to hallucinations so is cas, so that does not mean that lucifer is limited to talking to jimmy, assuming he's alive, though i do suppose it's possible for lucifer to screw with jimmy too, i don't think he would find it entertaining.