Carrie Vaughn said this quote

I'll tell you something,' Arthur said. 'Until a certain age, everyone thinks their parents are heroes. Then they grow up a little, start to understand a little more of the world, and they realize their parents are just people. It destroys them, just a little bit. But it's part of becoming an adult. Everyone goes through it. You, on the other hand--your parents really are heroes, at least to everyone else. It's a bit remarkable, really. You never went through that disappointment of finding out your parents are just people.