“Did you know that in space it's very, very cold? And there's no oxygen? And if an astronaut fell out of a shuttle without his suit he'd die right away?"

I'm a fast learner. "But that would never happen. Because astronauts are really, really careful."

George gives me a smile, the same dazzling sweet smile as his big brother, although at this point, with green teeth. "I might marry you," he allows. "Do you want a big family?”