I know what you mean
dr2little, sometimes you just feel that "oh no you didn't *waves finger*" attitude! LMAO
I'm a hothead in real life too, I find it harder to be that way here though, it's too much typing and I don't get to yell to release, so I usually stay calm! LOL
There are some hot topics that seem to get brought up a lot that are in the "personal" category that are debated about a lot. I've gotten involved a few times, but it just goes round and round until your back at the beginning again.
I think the main thing, is to not hold a grudge. Not to name any names but I will just because I know she's thickskinned

, I know at one time I felt Red was very blunt maybe even borderline rude. But being the thickskinned person myself, I looked beyond that and found a great online trainer/helper! LOL.
If you hold grudges you lose out on valuable information. It's best to patch things up and leave it behind you.