The Census Bureau reported that there are almost 5 million opposite-sex couples living together without marriage. Some of these relationships undoubtedly have one partner supporting the other, especially in light of the difficult economy, or especially if one partner is a college student. Banks loans and mortgages- A bank loan is a sum of money given by a bank to a business. This is repaid in installments each month over a period of several years. Mortgages are loans from banks and building societies that are used to buy land and buildings such as offices and shops.