For the past decade or so, there has been much talk about the urban tribe, or the makeshift family that has come to the fore as twentysomethings spend more years on their own. Sitcoms and movies tout the value of the tribe and, without a doubt, these friends play a crucial, supportive role. Essentially the college buddies of the twentysomething years, the urban tribe gives us rides to the airport and we vent about bad dates and breakups over burritos and beer.