“Why are you coming home so late?”, “Where were you?”… Jealousy is said to be one of the five most common causes of break-ups. In some cases, it can even turn into a nightmare. Recently, a woman who stabbed her husband twice out of jealousy was sentenced to 18 months in prison.

How can we explain that more than one in two French people is affected by this issue? When should it become a cause for concern? Can jealousy be cured?

An investigation into an invisible affliction.