 So now we're going to talk about sudden hearing loss. So first we're talking about how it degrades over a period of time and what you need to do. So we're going to talk about sudden hearing loss. And again, I'm going to tell you a story about me. So back in 1985, I had a brand new Cadillac. I had taken it into the dealership, had it serviced, brought it back about a week later and told them the radio is not functioning properly. There's no sound coming out of the speakers on the driver's side of the car.