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The opera singer has revealed that he only left his mobile phone job last week, despite winning £100,000 on the ITV reality show last summer.
He told The Sun: "Part of me was scared in case I handed in my notice for real and then found out I was dreaming everything else.
"It also means I’m completely reliant on my singing career being a success, which I’m fully aware is not an automatic right."
It was announced last week that Potts would have his life story turned into a movie. Simon Cowell will produce the film.
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