Stop spending time with people like yourself

It's better for you, long-run.

[youtube https://www.youtube.com/watch?v=8tbvh8yCOaI&w=620&h=315]

It's a fairly common aspect of life that things are mostly organized into in-groups and out-groups. You see this from the earliest days of the sandbox to hiring practices, business organizations, neighborhoods and communities, and hell -- even in families. There are the people you interact…