Prince Harry's "well of sympathy" following Princess Diana's death is close to "being tapped dry", a royal expert has warned the royal.The Duke of Sussex is on "very, very thin ice" after he plugged an Apple TV documentary with footage of her funeral, Daniella Elser said.He talked emotionally about his mental health alongside Oprah WInfrey in the trailer for "The Me You Can’t See", which is also set to feature his wife Meghan Markle and son Archie.The clip included footage of him walking behind the Princess of Wales' coffin in 1997 as the Royal Family was implicitly accused of failing to "treat people with dignity".
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