I constantly see people rise in life who are not the smartest -- sometimes not even the most diligent. But they are learning machines; they go to bed every night a little wiser than when they got up. And, boy, does that habit help, particularly when you have a long run ahead of you.
It started when I woke up, all I wanted to do is jump out of the window. I didn't want to eat anymore, because I was afraid that I might poison myself somehow.