[...that reaction is a little suspicious, but Ion figures maybe it just has something to do with whatever happened to Luke on Christmas eve. And he's not about to ask him something that might embarrass him -- it would be just like trying to change the subject when he's already resolved to tell Luke about this.]

...that morning, the elf that had been following me told me I had to drink eggnog. I didn't realize it at the time because I'd never heard of it before, but... eggnog has alcohol in it. And the elf made me drink two cartons of it.

To be honest, I... still don't remember everything about that day completely.