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Together with the rest of Fab Four – these are Prince Harry, Meghan Markle, Kate Middleton and Prince William for the unknown – Will has long defended the cause of mental health. Now, in order to help others talk about their emotions, he opens up his own mental state after the death of Princess Diana.
In a special show trailer to be broadcast on the BBC this week, Prince William talks to a group of footballers about his experience. "I think that when you're grieving at a very young age, ever really, but especially at a young age, I can go close to it – you feel pain as no other pain," he says.
"And you know that in your life it will be very difficult to come across something that will be even more painful than that," Will continues. "But it also brings you so close to all those other people who were grieved there. So right away, when you talk to someone else … Almost you will sometimes see him in their eyes."
In this video, he continues to say that the British are particularly hard at expressing their emotions and talking about their grief. But, he adds, people must "be able to talk about our emotions, because we are not robots".
BBC specialists are called "Royal Team Discussion: Solving Mental Health" and will specifically focus on the mental health of men, according to a description on the broadcaster's website. It seems that the setting reflects a casual conversation in the dressing room and shows the football stars of Great Britain Gareth Southgate, Peter Crouch, Thierry Henry, Danny Rose and Jermaine Jenas.