Likewise, I've read that his addiction was so great that he used to just eat coffee grounds in the morning while waiting for the first brew to finish.
The New Yorker did a fantastic reenactment of this. There's a short clip (1) on Youtube but the original is much longer and becomes quite bizarre very quickly.
[1] https://www.youtube.com/watch?v=AuDP99eGo2w
"Many people claim coffee inspires them, but, as everybody knows, coffee only makes boring people even more boring."
I think the first cup of coffee in the morning helps give them the necessary focus they need to set in on boring you.