How Could I Be So Stupid/Careless?

I have a story, none my fault.
Big 4x4 rally, several friends went, camped for the weekend with the wife in the back of my Ramcharger.
Well, 4x4's mud and beer what could go wrong at 12pm at night.
My somewhat intoxicated friend, said it would be fun to run the obstacle course backwards.
Me being even more intoxicated said "hell yeah" so did about 4 more buddies.
We all piled in his jacked up Jeep CJ-5 and run the obstacle course really fast, backwards.
It was all good, until right at the end, we hit the last water hole, and he said no brakes, the drum brakes had enough.
Then we hit the bump out of the pit and the body lift flexed, and the steering shaft came apart, no steering, and no brakes.
Plowed the big oak tree head on.
I flew out of the back seat over the roll cage and landed on his hood.
He thought he killed me when he finally said "You ok"
"Yes I yelled never felt better" I did not have a scratch on me, god bless you Anheuser Bush.
Well we put the steering back together and got the battle rig back to camp...radiator busted.
More to come