The neg thing is taken too seriously. When I first joined, I used to neg people I liked!... in the name of banter and that. As you can imagine, that didn't go down very well with some members! Now, I simply don't neg anybody. In fact, its better to +rep the trolls with a nice message of calmness. It either mellows the conversation... or better yet, completely infuriates them leading to uber-trollisms = even more entertainment.
So... to summarize... I insult the people I like the most, and am nice to the dudes I dislike. Hmmm... maybe I need a re-think... maybe my rep wouldn't be so pathetic for a gentleman of my standing. ( usually lying down in a puddle of vomit actually )