Long before Prince Harry and Meghan Markle’s explosive Oprah Winfrey interview aired in 2021, panic was already spreading behind Palace walls. But according to royal biographer Christopher Andersen, no one was emotionally affected more deeply than Prince William. While the public prepared for another royal controversy, William was reportedly battling overwhelming anxiety in private, terrified about what his younger brother was about to reveal to the world.

In his latest royal biography, Andersen claims the Prince of Wales became physically ill in the days leading up to the broadcast. According to the author, William was “sick with worry,” struggling to eat and even “retching” from stress as the tension surrounding Harry and Meghan’s interview intensified. The description shocked many royal watchers because it painted a very different image of the future king — not cold or calculating, but emotionally shattered by what he believed was coming.

The Oprah interview would ultimately become one of the most damaging moments in modern royal history. During the televised conversation, Harry and Meghan accused unnamed members of the Royal Family of raising concerns about the skin color of their unborn son, Archie. Meghan also spoke openly about mental health struggles and feeling unsupported by the institution, while Harry admitted there was “a lot of hurt” between himself and William.

To the public, it was dramatic television. But according to Andersen, for William it felt far more personal — a devastating collapse of trust between brothers who had once been inseparable.

Sources close to the Palace claimed William was deeply disturbed not only by the content of the interview, but by the fact that private family tensions had become global entertainment. One royal commentator explained, “William understood immediately that this was not just another family argument. This would permanently damage the monarchy and permanently damage their relationship.”

The emotional pressure reportedly became so severe that William lost his appetite entirely in the days before the interview aired. Andersen claims the future king could barely focus on daily responsibilities because he feared the scale of what Harry and Meghan were about to say. At the center of that fear was not only public humiliation, but also the possibility that the institution their family had spent generations protecting could suffer irreversible damage.

Many royal observers believe William felt especially betrayed because of the bond he once shared with Harry. After Princess Diana’s death in 1997, the two brothers were often described as emotionally dependent on one another while growing up under extraordinary public pressure. For years, they appeared united against the harsh realities of royal life and media intrusion.

That history is what made the Oprah interview feel, to some insiders, less like criticism and more like emotional betrayal.

One particularly revealing detail in Andersen’s account involves Princess Kate. According to the biographer, Kate Middleton played a crucial role in stabilizing William emotionally during the crisis. While Palace officials prepared official responses behind the scenes, Kate reportedly became William’s strongest support system as he struggled privately with anxiety and anger.

Andersen even claims Kate personally pushed for stronger wording in Buckingham Palace’s official response to the Oprah allegations. Early drafts reportedly avoided directly addressing the accusations involving race. But Kate allegedly insisted the issue be acknowledged publicly. She was also reportedly involved in adding the now-famous phrase: “While some recollections may vary.”

That sentence instantly became one of the most discussed royal statements in recent history because many interpreted it as a subtle but deliberate challenge to Harry and Meghan’s version of events.

To critics of the Sussexes, the phrase represented the Palace finally pushing back. To supporters of Harry and Meghan, it symbolized the Royal Family minimizing their pain. But for William, according to royal insiders, it may have represented something even deeper: the moment he accepted that the relationship with his brother had fundamentally changed.

Online reactions to the latest revelations have been intense. Some readers sympathized deeply with William, arguing that anyone would feel devastated if a close family member publicly exposed deeply personal conflicts before a global audience. “He wasn’t just worried about the monarchy,” one commenter wrote online. “He was losing his brother in real time.”

Others argued that Harry had valid reasons for speaking out after years of frustration and emotional strain inside the institution. But even many supporters of the Duke of Sussex admitted the emotional consequences for William were likely severe.

The comparison some commentators now make is especially tragic: while Harry often speaks publicly about trauma caused by the monarchy, critics increasingly believe William experienced a different kind of trauma because of Harry’s departure from it.

That may explain why reconciliation between the brothers still appears painfully distant years later. Publicly, William has remained disciplined and restrained, rarely commenting directly on Harry. But royal experts believe the emotional scars left behind by the Oprah interview run far deeper than outsiders fully understand.

Perhaps that is why Andersen’s description affected so many readers. The image of a future king physically sick with stress before hearing his own brother accuse the family on international television transformed the story from simple royal gossip into something far more human — a portrait of trust collapsing inside one of the world’s most famous families.

And according to those closest to the Palace, that emotional damage may never fully disappear.