Over the course of some 200 plus episodes, it has become rather clear that Dr. Sheldon Cooper isn't your average member of the male species. He's obsessive, he's quirky, and, sometimes, he's just downright inappropriate. But thanks to Jim Parsons and the writers of The Big Bang Theory, he's become this endearing odd bird that most of us can relate to at one time or another. That's why the secret that was unveiled tonight worked so well.