I prefer old age. Hey,I'm already there. 
I've lived long enough to see disputes go from fist fights to baseball bats, chains and knives to guns.
The motivation never changed. It never will. I laugh when someone talks of being humane. We war for profit, religion, land, language, skin color or just colors and last but not least oil.
Human nature never changes. 
Being civilized in today's society we watch on tv while bullets fly in other countries.
 We bemoan lack of civility and discipline as factors. Yeah, whatever the reason the killing never ends.
Only the dead have seen the end of war. My favorite quote. It can be applied to street violence as well.