My motorcycle used to be my only mode of transportation. I rode it nearly every day for years - rain or shine ... or even snow! Being so vulnerable and easily overlooked on the road tends to make one more attentive to what other drivers are doing - and planning to do. I don't do other things while I'm driving. I look around and check my mirrors often, and ninety-nine times out of one hundred I can tell you what another driver is going to do. Anticipating that and staying out of harm's way has kept me out of many bad situations.
In summary: everyone on the road is a bad driver ... except me.
Seriously though, it does help to think as though everyone else is trying to hit you and drive accordingly. It's called "defensive driving", and it can save your life. That's how I survived all those years on the bike - because it really did seem like everyone was out to kill me.