 And I didn't believe him. I was having some issues with humidity I couldn't control, and I'd always been able to control it. But I started running, and I've always been taught to run it on on or recirculating, if you will. And this guy, and I've talked to a lot of heating and air guys, and I still talk to a lot of them, and they go, that doesn't make sense. I said, this guy called me up, and he told me this story, and it makes sense to me.