Ah yes, no one has suffered as Crowley has suffered. He's seen that look before.

He eyes the bottle of wine with incomprehension, "What's the difference?"

This is someone who threw a fit when confronted with the pre-bagged tea at the general store and can probably tell where his tea was dried within a thirty mile radius, but he doesn't know anything about wine. It's clearly not as impressive as his leaf water.

"I'm not sure tequila is an improvement in any case."