 And that's not a bad way to go. But if you want to go the ultimate way, this is where you bring in the professionals. Somebody like Carolyn Blazowski, America's Healthy Home Expert. Talk to her. Because what she can do now is she will send you one of her exam and air kits. That'll go on in your house. She will walk you through how to test this. And then you know exactly what's in your air. Exactly. She can tell you exactly what goes through that because it's capturing it. And that lab test will tell you what's going on.