People often say that the best way to find a partner is through mutual friends. Well, have you met Migo? It's an Israeli service that harnesses the power of social media to get you a date or let you play matchmaker.

New research conducted in Israel links levels of a hormone known as “the cuddle hormone” with longevity of romantic relationships. Couples with high levels of the hormone were found to stay together longer than couples with lower levels of the hormone.