This conclusion presents some closing thoughts on key concepts discussed in the preceding chapters of this book. The book discusses relationships matter. Relationships matter because one has socio-emotional needs that are satisfied by intangible, socio-emotional goods produced in relationships. It explains that social capital influences who buys agricultural farm land, who rents land, who gets loans, what rules we respect, who we select for business partners, who is hired to add attachment value to goods, and who are most likely to be poor. It shows how relationships, expressed as social capital, can influence ethics, globalization, the distribution of political power, and culture. Formal institutions work well for organizing exchanges of goods whose value is tied to the goods physical properties and for those goods whose high attachment value is widely shared. Social capital which is similar in its capital like-qualities to man-made capital, natural capital, human capital, financial capital, and cultural capital, to name but a few is ubiquitous.