Jim. That's rough man. It was a hard lesson to learn, but given the fact that he severed the femoral artery, there really isn't much that could have been done to save him. Don't beat yourself up over it. It was his time my friend. It was his time.
If I have to explain why I ride, you wouldn't understand. Explaining sex to an alien would be easier than explaining the feeling, one that boils all that is going on in your life down to what really matters each time you are in The Wind. All I can say is, Life is not Life without it.