The Wrong Child Lyrics

Lyric discussion by Napura 

Cover art for The Wrong Child lyrics by R.E.M.

This seems simply to be about insanity, maybe paranoia.
This person hasn't been attached to the outside world, even if he's literally outside. He's within his own mind, speaking to himself. He doesn't know how to react when approached. He knows something is not right about him, but is still just stuck in his head.