I learned that it's REALLY tough trying to decide between Ace Ventura and Edward Nygma in a "worse Jim Carrey character" contest.
I learned that, in Gotham City, boxes are cone shaped.
I learned that Batman can defy the laws of gravity and fall faster than Robin and Chase.
I learned that, as famous as Bruce Wayne is, nobody notices some extremely drastic changes in appearance he undergoes.
I learned that, if you are obsessed with killing your mortal enemy, and he is unconscious, and you have a loaded gun, you would rather play stupid mind games than kill him.