Not a great deal really, I pick my battles wisely. 
The only thing I'd goad would be a supercar - most memorable was spitting flames at a Gallardo that was stuck behind me on the M6 whilst in traffic. I moved over to let him through, he gave me the thumbs up when side by side, then dropped a gear or two and nailed it.

The only thing I'd goad would be a supercar - most memorable was spitting flames at a Gallardo that was stuck behind me on the M6 whilst in traffic. I moved over to let him through, he gave me the thumbs up when side by side, then dropped a gear or two and nailed it.
