This week's penguin: A survey of holiday seasonal disorders.

This week's penguin: Then there's the overeating season. Which is all of them.

This week's penguin: Scary is one way to describe it.

This week's penguin: There's a real art to getting on that list.

This week's penguin: Grift isn't always worth the trouble.

This week's penguin: Who talks like that?

This week's penguin: There's no such thing as an accidental tail.