sorry to hear this mate, hope your mate gets better soon
as for car driver's it's not allways them it does come down to biker's aswell so dont blame car drivers all the time..
my dad lost his best mate back in the 70s thay were both out on there bike's going fast, my dad said his mate left him behind but when my dad got a few yards down the road on a bend his mate was wrapped around a telegraph poll with his bike, it took the fire men over 3 hours to get him and the bike away from it..
dad then sold his bike on and never been on one since