[Yeah, he noticed, but the opening giving is irresistible and he needs something to keep him from dwelling on paranoid disaster fantasies and lying is very soothing. He turns to look at the mirror.]

Oh my god, I've got no head. That's really embarrassing; I've been walking around all day not realizing that my head is gone. No wonder people were giving me funny looks. And here I thought maybe I just had my fly unzipped.