Don't you just love it when you encounter companion cars on the road? What I mean by companion cars is that car that happens to be going the same speed as you, driving in the same style as you, and generally your mirror image as far as driving goes. I love it when they're behind me and I'm the lead car, and we zip in and out of traffic together, seamlessly moving along the highway, leaving behind all the slow moes and other lame vehicles.
The saddest part is when one of you exits and the other must continue on, and the magical spell is broken. It's a very bittersweet moment in the world of driving, I think.