The numbers represent progressive stages of growth away from socially abnormal behavior. Numbers 1 and 2 represent the author's abnormal behavior. Numbers 5-6 are their later stages, where they've achieved competency in social normally behavior.
This is consistent with my conclusion above: This post should be read as one person's retrospective, not as a guide for connecting with people. By the end, he realizes that playing social interactions like games and putting on personas that target other people's mental state is not healthy.