Cassidy, for all that had been bothering him, couldn't help but chuckle wryly at Mel's insight. "Fatalists aren't usually aware of the statistics. That's statistically improbable, but not impossible. It has happened before, of course, not to the point of global destruction, but meteors have hit. The likelihood of a meteor that size actually hitting earth is so phenomenally slight that I doubt that it would happen in my lifetime, or really, any time in our perceivable future." He looked over at her with a small, tilted smile.
"Still, for all my scientific perception, I'm a superstitious man. I think that wishing is futile, but it still lets you envision what you want, and with that, you can better make it come true for you."