It's like the old joke about the rookie cop who's too nervous to investigate a big spooky warehouse at night. He shouts into the darkness "is anybody here?"
A few seconds later, he hears a voice say "......no". So he relaxes with a sigh, and goes to report the all clear to his superior.
A few seconds later, he hears a voice say "......no". So he relaxes with a sigh, and goes to report the all clear to his superior.