Your best friend has told you she’s having an affair. Should you tell her husband?

When Anita* and her husband became friends with another couple, it seemed like the perfect dynamic. They’d go to dinner as a foursome, and even went on holiday together. Then Sadie*, the wife of the other couple, told Anita a secret: she was having an emotional affair with another man, and asked Anita to not tell anyone.

This, Anita tells me, was an enormous weight to carry – and made her feel like an accomplice to Sadie’s . Sadie’s husband was her friend, too, and now Anita struggled to look him in the eye. “He didn’t deserve to be cheated on,” Anita says. “When I saw him, I felt terrible.” Feeling entirely uncomfortable