"Put your tongue back in your mouth, angel," Crowley said. He set his cocoa aside and moved in close, chest to chest.

"Oh. Would you look at that?" he said, looking into Aziraphale's eyes for a long moment...before tipping his head up to look above them.

There hung a sprig of mistletoe, berries white and ribbon red.

"Well. It is Christmas," he said and looked back down. He waited for the highly anticipated look of shock on Aziraphale's face before he kissed him softly.