Well, there is, in addition to the "hotheads" issue, the additional "my pissing range is longer than yours" issue...
When juvenile young boys (regardless of age - I have met "boys" that were in their 30s) get together and can't manage to let others know where they stand without being rude, amateurish, peurile and other really big words that mean child-like

, then things like that happen...
First thing you are supposed to learn in martial arts is how to bow. Not because you are trying to absorb asian culture, not because it is tradition. Because with great power comes responsibility. One of those responsibilities is to
not use your super-powers for evil

. The only way to avoid that mess is to cultivate humility.
Hard to earn an *** kicking from someone that won't get pissy no matter what kind of puke
you might be...
Just my 2 yen...
As for the dog issue, over the years I have used several of the methods mentioned above - yelling, waving my arms, talking soothingly, commands ("go home," "bad dog," etc.), and running like mad. All have had mixed results. Used to have a neighbor with a rather bad tempered Doby as a pet/guard animal. It used to try to jump me pretty regularly. It was growling at me pretty fiercely, baring its teeth - so I did it right back (I was in junior high, so don't comment on how stupid this was - like I knew better!). Amazingly, the dog seemed so confused by this, his ears pricked up and he looked a little surprised, then snuck off to his dog house... Left me alone completely after that...
Gambatte.
:samurai: :samurai: