I also have almost no fear of being in a car wreck because I still find it highly unlikely a wreck would kill or seriously injure me. I have a safe car and have lost (and regained!) control of cars plenty of times in my life without incident. Hell, I even choose to race cars in circle for fun! I only fly because I HAVE to.
Motorcycles obviously feel more dangerous to me and I have greater reservations whenever I ride one.
Ironically, I am posting this from a UA flight.
I was once on a flight that lost an engine. That was fun. We took a "normal single-engined" tour of LA, and a "normal single-engined landing" 45 minutes later. The lack of concern was both reassuring and terrifying. I expected the pilots to spin the plane on a dime and drop it back down the runway the same way we came, emergency landing, rather than keep the thing flying on one engine.
The chances of your plane running into another plane piloted by a drunk is pretty slim in comparison.