At every stage of life, our communities provide us with shelter, guidance, support and friendship. For millennials in particular, communities, their definitions and boundaries appear to be shifting. Young professionals away from their hometowns and looking to establish connections might resort to recreational sports leagues, book clubs or similar means of creating communities in contrast to "natural" communities. This week, we welcome Callum Melrose to discuss the phenomenon and its implications. How might millennials be more territorial about activities or relationships meant to be more stress-free and enjoyable because of a need for community?