be a good friend
If you are doing well and the other person is not, jealousy can raise its ugly head, eating away at the bones of the friendship until they are raw and bare. And while I hate to speak ill of my sex, sometimes with a group of women it feels like we are back in high school. Well, I've graduated and want no part of it.
While past experience teaches people the importance of things like trustworthiness and loyalty in relationships, society's most popular people tend to possess more superficial attributes. So, which qualities are most important for likeability?