He nods, "First of all, I see you. I'm aware you're blue , tall, and a troll. I have a body, just like you do, in both worlds, and thus am not a chimerea "He takes a breath and continues, " I'm still called a Changeling, Or Kithain, but well, the terms aside, the methods are differet for most sidhe. You see, We're ,well, some would dislike the term, but we're body jackers. We possesses a mortal form by kicking the moral soul out. While we are influenced by what remains, we don't 'merge' like the Changeling Way did. We're from Arcadia, which is the center of the Dreaming. Many of us have been exiled, or returned for other reasons, and to survive, we need mortal bodies as shelter from Banality. Frankly, I think the Changeling Way is far more honorable, but we don't always have a choice. "