05/07/2011 08:55 BST | Updated 04/09/2011 06:12 BST

Could Infidelity Save Your Relationship?

A recent book, Surprised by Love: One Couple's Journey from Infidelity to True Love has been a bestseller in the US and its success has earned Jay Ferraro and his wife, Julie, their own TV series, which aired in the USA last week. Unfaithful: Stories of Betrayal explores couples who claim that one or both of them being unfaithful has repaired and saved their marriages.