If the guys is friends with the bouncers, it's a no-win situation for you. If you had, let's say, counter-attacked successfully and beaten him up, the bouncers would just bring you out back and use the numbers game.
The other thing is if you aren't familiar with the bar/town, who's to know if he's carrying a gun/knife or will follow you outside with some friends, etc...
It sucks there isn't any such thing as a good 'ol fashioned bar brawl anymore
