Well, you're in a theater and it's 24 shots a second, your face, your body, your voice, and it's your craft, the way you earn your living, and it's indelible. It's not like writing a script - I write as well - I can't do another draft, it's done.
Nietzsche was personally more philosophical than his philosophy. His talk about power, harshness, and superb immorality was the hobby of a harmless young scholar and constitutional invalid.