and you could hear that ominous crunch of bone against bone. And one of the perks of being a physician is that you get to order your own MRIs. And I had an MRI the next week, and it looked like that. Essentially, the meniscus of cartilage that is between bone had been completely torn and the bone itself had been shattered. Now, if you're looking at me and feeling sorry, let me tell you a few facts. If I was to take an MRI of every person in this audience, 60 percent of you would show signs of bone degeneration and cartilage degeneration like this.