Well, my time has certainly passed for quite some time before I arrived. [He raised the hand closest to Aang and placed it on his shoulders. There was warmth there, solid and not cold and empty.]

But I believe I am flesh and bone here. [He smiled reassuringly, but it was soon replaced with a frown.] I am not sure for how long I am meant to stay though. I did not arrive with wings or a book afterall.