. >> reporter: there's no evidence that the unafilliated tend to make think way back to church as theyet older or have families. kim weeks and her husband are bringing up their two children without religion, while teaching them morality. she's willing to let them go to church with their grandmothers, one of whom is a minister, but that's it. >> i can't imagine a scenario where we would go back to church on a regular basis. i don't feel a sense of longing of not being in a church or the church. i just don't miss it, because for a variety of reasons, it feels constricting. >> in general, i'm not worried. the people who consider themselves spiritual, but not going to church, why would i worry? they are great people. they are in their community, making a difference. >> let's go. >> i think there is a space of opportunity to do a ministry together. >> reporter: why not be optimistic, the unafilliated may not want to be within church, but they're not entire hostile to religion. in fact, they mostly agree with believers that religious organizations strengthen communities and play an important