[Oh how he missed his pointy ears and long sharp nails and... well. All of it. Just be glad it's a formality for demons of his tier to hide their tail or Charles would be dealing with that as well.]

By watching all the other houses decorate. From the tree they put up in the middle of the town. The holiday shows on the television. [Isn't it obvious, Charles? C'mon, man, pay attention.] Because I am trying to understand human customs. They are curious things...

[And one or two of the tree decorating things stop to look back at him, even wave at him. They're awfully friendly looking little plant dudes.]