"It's a bizarre social convention, uttered in one breath: Hello nice to see you I'm sorry my home is a mess please come in.
"Well, I've had enough. For 2015, I'm going to try my hardest to stop saying this unproductive phrase. No more apologizing because my stuff isn't perfect."
-- Erin Doland, 2014-12-12, "Stop apologizing to guests for the mess" (thanks to @charolem for linking to it earlier.)