Filed under: Nintendo Wii, ExergamingVideo games can occasionally be the source of some pretty disheartening self-realizations -- like the time Rock Band revealed that you've been lied to your entire life about your angelic singing voice, or when Vampire Rain made you realize that you have incredibly poor taste in video games. However, something tells us these revelations are a bit less heartbreaking than those about to be unleashed by Nintendo's latest best-seller, Wii Fit -- especially...