Why do you think I had kids? They're my official toothpaste tasters!
Don't know too much about current D.C. traffic conditions, but riding in a sidecar in L.A. would definitely be suicide.
I am a strict Neo-Darwinist, so the squids on ricers issue really doesn't bother me too much. It's a self-correcting problem. (Although the paperwork would be a drag, if I squished one with my car.)
The best thing to do when driving a car, and approached by a MC traveling at a high speed (or any speed, really) is to do nothing. Like I always tell my (nerdy) passengers riding pillion: "When I'm driving a motorcycle I'm desperately solving a dynamical system of partial differential equations in my head. Every time you lean, wiggle or even breathe hard, you change a bunch of the coefficients in an unpredictable way. And for the record, I'm not that great at PDE's to begin with -- so KNOCK IT OFF!!"
I'm amazed that I'm still alive too, but motorcycling is only about #10 on the list of reasons.
Some of it is age + having a family. My riding style has calmed down a lot compared to my 20's. And, umm, 30's.