The context of the following conversation is Quin was preoccupied with their school grades and went the wrong way down a one way street before quickly realized their mistake.:
Quinn says I was upset about my school grades.  I had failed my chemistry test because I forget the formula.  I drove down the wrong way on a one way street, and nearly killed myself..
The friend responds you should not be driving if you are distracted, are you alright..
Quinn responds I quickly realized my mistake and backed up out of it..
The friend responds You are lucky you corrected your error before it's too late..
Quinn responds I could have died and killed other people..
The friend responds That's very serious..