The rest of the day acquired a kind of rhythm. We walked around the show floor for a few hours, with people routinely stopping me for pictures. I was worried Daddy would get annoyed by the constant interruption, but he not only remained pretty chill about it, he normally had a big smile on his face when it happened. He often offered to take photos if someone wanted to pose with me.

"No one is being creepy towards you," he explained. "And they love your costume. So I'm perfectly happy with how things are going."

He headed off to a panel an hour or so later and I went to...