Wrong. Be cheap. If you're fighting for your body or what you believe in you should never take the "honorable" route. You must win or you will be hurt.
Why does everyone think that hitting someone in the balls will make you win? It will only make things so very much worse.
Let me explain it again, if i was fighting someone and they kicked me in the balls i would either go loving crazy and tear their arms off or if it DID SOMEHOW (it wont, ever, to anyone (unless they are a massive pusillanimous individual)) be enough to cripple me so they could run away, the next time i saw them their face would be smashed.
This is what will happen, they would have fought you but not fully serious, but if you ball hit they will fight you more but loving crazy and possibly with more people.
If you think its a good idea you're loving stupid.