James Middleton put Prince William through the wringer before he married Princess Kate Middleton. "Any brother, I think, is protective of their sisters. So even though I'm the little squirt of their brother - probably getting in the way - [I] still had to make sure that he had my approval,

Prince William could join forces with James Middleton on mental health campaigns, a royal commentator had claimed. James Middleton has candidly discussed his mental health journey and suffering periods of depression in his new book.