I once set my alarm wrong. I don't know why or how. But it went off 27 minutes after it should have done. I used to go running on the same route but when I got there the road was sealed off halfway by police. A car had pulled out on a bike and I could see debris strewn all over the road and pavement where I would have been and I am convinced I would have been caught up in it had I have set my alarm for the correct time.
Have any of you made an innocent decision or mistake that may have changed everything like this?