When Natalie and Ben's daughter Ophelia joined the high-IQ society Mensa at only three years old, they knew they would be accused of being pushy parents. But what is it like to have a naturally-gifted child?
"Really it was from about eight months old [that we realised how bright she could be]," Natalie Morgan tells the BBC's Victoria Derbyshire programme.
Her daughter Ophelia had said her first word, 'hiya', a few months younger than the norm.
"It really went from there. She started saying her…