Patricia Caring pauses at the threshold of her reception room as though waiting for permission to enter. As co-chair of The Birley Clubs, the collection of members’ clubs owned by her husband Richard, she is a regular at functions and glittery galas. But discussing “important” things – family, her private life and work as a philanthropist – exposes a rare anxiety in her glamorous aura. She sinks into a tasselled sofa and downs a bottle of Acqua Panna water. “Have a sweet,” she…

