 Put my water heater in. When the city came in to inspect the new water heater, of course, they wanted a carbon monoxide detector down there. So there's a computer in the carbon monoxide detectors. When it gets to seven years, it'll start howling at you. And you can't reset that, by the way. You've got to get rid of it and get a new one. So that's kind of the story. That's a good question, Gary. But that's the reason you want your family to be safe. And for a $20, $30 smoke detector...