 You can't guess. You shouldn't guess on someone's life. You know, you try not to, at least. And so that's one of the reasons these experiments were done. Some of the monkeys we set up died, too. Yes, absolutely. The goal here is to make it safe for human beings. It wasn't to fly monkeys in space and bring them home safely. It was to figure out how to make a safe flight for human beings. Next up, we've got Don in Texas. Hey, Donald, go ahead.