Everything is subject to trends. Even unhappiness. Two years ago, if you’d told Anastasia Bingham, who was nursing her three-month-old baby, that she’d be appearing in court this month as her husband sues her for divorce, she wouldn’t have believed you.

It wasn’t until Anastasia’s husband, a fund manager, brought a spiritual healer into their Knightsbridge town house that she had an inkling of trouble afoot. The dark-haired woman smiled, took her hand, and announced the end of the marriage. “I can see you’re going to have another great romance soon in your life,” she concluded.