How to Be Likable, Part 1 of 2

Somehow or another I seem to be a well-liked person. Or, at least, that's the impression I get. Through a bit of self-examination I've compiled a list of traits that seem to have helped me in this regard. It certainly doesn't help in every situation (I know a few people who don't like me for whatever reason), but I'm going to assume that for the most part the things people don't like about me are traits I have beyond the ones I'm mentioning here.