He taps his glass to Grantaire's, then to the one for the mansion spirits for good measure, and takes a big sip. It's entirely possible that if he liked coffee he might enjoy this. Not very likely, but there is at least a small possibility there. As it stands, he does not like coffee, and this just feels like a way to ruin his perfectly good wine. "That's terrible," he says with a grin. Not even gross drinks can ruin the mood he's in right now.