Well, I think that was the IDEA.
That's a 'sad' set is up to opinions really.
But the clothes are for lazing around in the house when its cold ish, so maybe they're depressed when they wear them.
Who am I talking about? WHO'S depressed?
Duuuh, Phoebe, the little person who wears all the clothes that you put in your sets! You know, that girl!