How would he know that Renata was a reviver? She would have had to of revealed that to him, but she obviously wouldn't do that with the amount of suspicion that has been on him. Smells fishy to me.
What if Renata wasn't one of those people that thought he was suspicious and did reveal to him, though? It's a possibility.
"Blacker than a moonless night. Hotter and more bitter than Hell itself… that is coffee."
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