another realization for u, human
"You're a brain inside of a skull. You don't have a skeleton inside of you; you are inside of a skeleton."
Well, yeah… but are you just your brain? Seems a little reductive? In a broader sense, you are you, all of your body, even the nails and hair arguably. But in a mildly disturbing way, yes, this does make the skull seem like a prison for the brain, not just a protective helmet for your most complicated organ.