I was driving home from a friend's house tonight and my tire seemed to be making a funny sound...like a rock was stuck in it. I even got out of the car at a red light to make sure it wasn't flat...all was well...apparently. About a mile later, I heard what sounded like a rock flying out of my tire. By the time I pulled in the garage, there was hissing...lots of hissing...I have my very first flat tire. I am praising God that I made it safely home.