And she's also unable to see past the fourth wall.
I have spent ALL. FREAKING. DAY on this because I procrastinated and waited until today to start it. I've learned my lesson.
In fact... Spike, take a letter.
Dear Princess Celestia,
Today I learned that when ponies are depending on you for something, it is very unwise to wait until the last moment to get that thing done. Procrastination is a very bad habit and is easy to pick up when somepony lacks the motivation to do something.