Kissin' | Cousins

: Throughout much of human history, marrying cousins was common to preserve wealth, maintain social status, or secure political alliances. An estimated 80% of all historical marriages were between first or second cousins.

: Shows like 30 Rock and The Nanny have utilized the "accidentally dating a cousin" plotline to create humorous social friction. Kissin' Cousins

: Since the 1930s, dictionaries have defined a "kissing cousin" as a relative known well enough to be greeted with a formal kiss, such as a peck on the cheek. : Throughout much of human history, marrying cousins

: It is often used to describe two separate things that share a close similarity or common origin, such as "politics and show business" or different types of fabrics. : Throughout much of human history