Social Skills and Behaviors That People Find Highly Attractive

You need to have game. I spend a lot of time waxing on game and how your looks aren't going to save you when it comes to persuading people to want to hang around you for the long haul.

So what do people really want from a person they find attractive after visual/physical attraction has already been established? What do people seek out from people in terms of real attraction at a core level?