They may have yachts, fancy cars and private jets. But pity the super rich. They are miserable.
A new book claims self-made millionaires have few friends, trust no one with their money and generally feel isolated and largely unloved.
They even suffer pangs of guilt after making a fortune, not least because relatives and old friends can no longer afford to keep up with them.
The study, entitled When You Are Super-rich Who Can You Trust?, claims one in three self-made millionaires lose a quarter of their money within five years of selling a business.
"Most have no idea how to manage their liquid wealth," says author Caroline Garnham, a former head of private client practice at City of London law firm Simmons & Simmons.