what guitar hero really does to people

me trying to get 100% on my name is jonas by weezer on guitar hero 3. the best i got on it was 99% 563/566 or somethin like that all i kno was that i only missed 3 notes and it was somewhere in that range this was about the 2nd day i had played g.h in months cuz my brother had just got it for his birthday *this explains why im at medium -.-* butt im a guitar player so got good finguring techniques ;) and posturee. ka-choww ;))