It's just there.

That's all." The voice of Buck Daniels fell to a whisper.
"It's sort of fire," he suggested.

"Ain't it a kind of light _behind_ his eyes ?" But the waitress stared at him in amazement.
"Fire ?" she gasped.

"A light _behind_ his eyes?
M'frien', are you tryin' to string me ?" "What's his name ?" "I dunno." "Ma'am," said Daniels, rising hastily.

"Here's a dollar if you'll take me to him." "You don't need no guide," she replied.