- William, 37, discusses mental health in a BBC documentary broadcast next week
- The Duke of Cambridge opens up about parenthood in a chat with Marvin Sordell
- Prince William admits that becoming a father was amazing but also scary
- William also leads the Heads Up campaign which promotes men to speak out
Prince William has spoken in candid detail about how he found himself overwhelmed by parenthood because of the devastating impact of his mother's early death.