Because they are focused on proving to there friends that they have better cars, and getting girls(if a dude) to drive with them. The first couple of years I would say that a Teen drives, the Teen just want popularity so he dosnt pay attention to what is around him, they just want to be noticed.
Because most of us are reckless. Some of us are stupid. The bulk of us are careless. And anyway, shit happens. The problem is, alot of us think ourselves invinsible. And we're not.
Why does the Writer's Block archive contain two copies of this question? And why are they side-by-side? Stupid Writer's Block.