The comments were made during a visit to a school in Nottingham to mark World Mental Health Day.
The duo have teamed up in a comedic video to help raise awareness of mental health.
The teaser clip was shared on Wednesday on the @SussexRoyal Instagram page ahead of World Mental Health Day.
Could the couple's recent moves be part of a wider plan to redefine the royal relationship with the media?
The Duke of Sussex, 35, released an emotional statement on Tuesday on the penultimate day of the couple’s royal tour.
The Duchess of Sussex, 38, spoke today at the British High Commissioners residence on the final day of the South Africa royal tour.
'It is a deeply personal statement that will resonate with those who remember the privacy issues Princess Diana had.'
In the statement, the Duke of Sussex, 35, outlines the justification behind the lawsuit.
A picture of the Duke and Duchess of Sussex, 35 and 38 respectively, kissing on the lips has quickly gone viral on social media.
The then-actress was also forced to remove a fake engagement ring during filming in case onlookers thought the royal had proposed.
Is getting good grades as important when you're a member of the Royal family?
Australian news magazine program "60 Minutes" is being criticized for an upcoming piece on Meghan Markle, with many saying it amounts to "bullying."
From Prince Harry's first day at nursery to Prince Charles' first day at college, look back at these archive photos of royals starting school ahead of Princess Charlotte's big day at nursery.