 So I'm going to look at what do I need to do to get these blood levels to where they should be, to their optimum, to their premium. And somebody says to me this morning, as a matter of fact, my friend's in town, he's staying with us, and I take this big handful of vitamins. And he goes, what are you taking there? I said, oh, I take vitamin D3, and I take some zinc, and I take some...