October 23, 1979. I was

October 23, 1979. I was in my bathtub in the wee hours of the morning, as naked as a cartoonist. I put two and two together, and voilà! Just two decades later, my book. (...)

Cartooning is creativity stripped down to its core, because it's removed from the real-world constraints (and consequences) that complicate other applications of the creative mind. It's a form of play which depends on spontaneity and, by extension, creativity.