Im generally a very calm person, and dont often get angered, someone could insult me all day long and I wouldnt even give a damn, let alone act on it.

However, lack of intelligence and plain stupidity, and sheer ignorance can REALLY piss me off in no time at all if done right, and I tend to get nasty..

I sometimes stop arguements, depends how serious they are, and if theyre not amusing (I know, thats a pretty sad thing to do, watch an arguement because its amusing), and I generally only care about arguements between my friends. I can also get angry when someone is insulting a friend or close family member, but I tend to hold it back.

Like Maxx said though, inanimate objects can easily annoy me, whenever and wherever.