Very slight spoilery for S1 episode "Something Wicked."

Dean slapped Chuck's book down. "You never told me you think I'm insane when I hunt."

"Huh? I never thought that."

"It's right here, Sam. My 'fervor'. You arguing with a prophet?"

"That doesn't mean insane, Dean. Which book?"

"The shtriga one. So I was sick?"

"It doesn't mean that, either. It's just that asking Michael to be bait was intense."

"He said yes. Done deal."

"But asking…"

Dean threw up his hands. "What should I have done? Let it get away?"

"It was… look, fervor can be a good thing, okay?"

Dean grinned. "I'm enthusiastic?"

"You're a fucking zealot."

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