You got an all-out prize fight, you wait 'til the fight's over, one guy's left standing and that's how you know who's won.
I used to think I'd like to be a fireman - in fact, I still would - and the only drawback I could see was coming back to the firehouse, after a day of fighting fires, and still having to put in an eight-hour day writing.
Each culture has its own form of staged combat, evolved from its particular method of street fighting and cleaned up for presentation as a spectacle, e.g. savate, Cornish wrestling, karate, kung-fu.
I've been training in Jiu-jitsu for about six years and I'm very fortunate to live in that world. All the fighters hang out and have lunch together just about every day and trade stories. And I've always been fascinated how in the world of Jiu-jitsu in L.A. everybody in the fight world - cops, special forces, bouncers, stuntmen - connected across different lines.