I still can't get the "flat tire" out of my mind...
First time it happened it was the rear tire on my SV1000S. I was doing 125mph when the valve stem broke, instant flat. Managed to stop without wrecking, but it's something that really messes with your mind.
The second time was just a few weeks ago, again on the SV1000S, but this time something made a hole in the front tire. Managed to stop without problems and fixed it with my fix a flat kit.
Right now everything feels like a flat tire to me, crosswinds, uneven pavement, I'm freaking out about it all the time.