[quote=@Multifarious]
<Snipped quote by Session>

They do.
*Blinks and looks down from the spectacle to you for a moment and blinks, snapping out of a daze*
Oh, uh, mine is Rea. Doctor… Ah, screw it. Just Rea.
[/quote]

Rea, I like that. Good name for a niece.
*Raps the back of my hand across your shoulder, reprojecting tiny bundles of multicolored static from the previous figure to a new, vertical shape of your body within your field of view, most of which are moving in a way that outlines your circulatory system*
These, Rea, are the life forces that live in you, but aren't you and don't help you. There aren't too many of them, and you can probably guess what they are.