“The original concept was that we were going to do this crazy Love Actually kind of thing in the spirit of these holiday movies, or He’s Just Not That Into You, these romantic comedies with these casts of thousands. The original concept was to decidedly be fragmented with our storytelling. It’s Valentine’s Day, and we’re just going to do these rapid-fire stories…With Troy and Abed, it was easy; let’s do a love triangle. I said, “Let’s make it a librarian,” because some librarian tweeted me on Twitter, and I want to feel capricious and improvisational about it. It will blow that person’s mind when they see a hot librarian as they requested on Twitter.”
(via Dan Harmon walks us through Community’s second season (part 3 of 4) | TV | Interview | The A.V. Club)