 And it is interesting to watch and see what places have to go out of fashion because of politics, such as Russia, for example. People cannot and will not go to Russia, and it's not clear when they ever will again. And then there are other countries like Saudi Arabia where a few years ago it would have been inconceivable, and maybe it's getting less inconceivable. So let me ask you about your tips. When is the best day to book? Has it changed? What credit cards should we get?