I gave up street riding after I lost my best friend on a run of some mountain gaps. He flew off the side of the mountain and faceplanted a 36" wide oak tree snapping his neck instantly, then fell down the ravine 100ft. I doubled back to see the blackmark pointing to the tree and looked over to see my worst fear.
His eyes were open, face shield busted off looking up at me. I thought maybe he was paralyzed until I made it down to see his normally sky blue eyes more of a milky haze. I knew then he was gone.
While that part was the worst nightmare of my life....and haunted me for several years, an even worse fate awaited me in the 3 hr ride home to tell my wife...then HIS wife.
I rode another couple of years after his death...but one day I just walked out in the garage and decided it was over and sold everything but the dirtbikes.
I'm glad my son never got "the bug". I'm not sure I'd sleep at night.