I've probably impulsively eaten a lot of odd things, but the payoff is usually worth whatever anxiety it might have caused going in.
I was in a car during college where e-brake spinouts were attempted, but I was in the back seat throwing up at the time.
I've become much less impulsive since becoming a father. I guess becoming a father in the first place was a pretty impulsive act. Well, the events leading up to fatherhood were impulsive, anyway.