This feature is part of Lonely at the Top, a series that examines the link between wealth and loneliness.

When Lisa Johnson launched her business strategy career eight years ago and suddenly became a millionaire, many things in her life vanished. Her £35,000 debt (around $44,800). Her need to meticulously budget or worry about childcare costs for her twins. And, mysteriously enough, some of her friends, too.

"They just ghosted me — disappeared," Johnson told Business Insider. Johnson, who grew up in a housing development in England, said she hadn't changed how she treated the people around her, so "it was a shock. No one ever spoke to me about it. I just felt dropped."

Johnson isn't the only one whose wealth has gotten in the way of her lifelong relationships. It's happening across the

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