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Prince Harry continues to shed his upper crust image by tackling important social issues head-on. On Monday, the Duke of Sussex sat down with UK Black Lives Matter activist Patrick Hutchinson for a conversation with GQ. In the conversation, Prince Harry admitted that he “had no idea” unconscious bias existed before he experienced it firsthand through the treatment of his wife, Meghan Markle.

The GQ conversation focused on hot-button topics like structural racism, unconscious bias, and the responsibility of white people to educate themselves on the aforementioned topics.

Prince Harry started the conversation of by commending Hutchinson for his activist worth and adding that there’s still “lots of work to do” when it comes to dismantling racism worldwide. The conversation turned personal when the two began to discuss unconscious bias, with Hutchinson broaching the subject.

“There are a lot of people who either don’t think that [racism] exists or they don’t want change and they’re fighting against it. And I don’t know what these people are afraid of,” said Hutchinson.

Prince Harry became personal, revealing that his background as the literal Prince of England had made him ignorant to the widespread nature of racism before.

“Unconscious bias… having the upbringing and the education that I had, I had no idea what it was. I had no idea it existed.” He then admitted: “Sad as it is to say, it took me many, many years to realize it [existed], especially then living a day or a week in my wife [Meghan]’s shoes.”

Since Prince Harry and Meghan Markle started dating in 2016, Markle has been on the receiving end of vicious media attacks–many of them fueled by racism.

At the time, Prince Harry condemned the British press for their treatment of Markle. He released a statement decrying the “racial undertones of comment pieces” and the “outright sexism and racism of social media trolls” that Markle has to deal with. Recently, Meghan spoke about the hate her and Harry receive for being in an interracial marriage.

Prince Harry described unconscious bias to Hutchinson as largely beyond people’s control, but worth addressing once you’re aware of it. “No one’s blaming anybody,” Prince Harry said.

“You can’t really point fingers, especially when it comes to unconscious bias. But once you realize or you feel a little bit uncomfortable, then the onus is on you to go out and educate yourself, because ignorance is no longer an excuse.”

Both Prince Harry and Meghan Markle have been on the receiving end of criticism for their vocal support of the Black Lives Matter movement and their video campaigns urging people to vote in the upcoming election.

About dismantling structural racism, Prince Harry said, “It’s going to take every single one of us to really change things and anyone that’s pushing against it really needs to take a long, hard look at themselves in the mirror.”

He continued: “This isn’t black versus white…This is a global movement. The train has left the station. If you’re not on it now, then get on it because there’s so much that we can do.”