Humor is important for is pacing. If your whole book is just drama drama drama, it's going to wear down the reader.
Patrick RothfussShe looked at me. "What? Is there something wrong with my idea?" "It's not very heroic," I said dismissively. "I was expecting something with a little more flair." "Well, I left my armor and warhorse at home," she said. "You're just upset because your big University brain couldn't think of a way, and my plan is brilliant.
Patrick RothfussYou can have an interesting story about a person living an interesting life. And if it's done well, that is just as engaging as the end of the world. A million people dying - we can't process. One person, we can process.
Patrick Rothfuss