Three-time Taekwondo world champion Bianca Walkden talks to Charlie about managing emotions, coping with nerves and doubt - and going for gold at the Tokyo Olympics.

Bianca describes how she deals with the mixture of emotions at big events, and discusses how the renowned sports psychiatrist Steve Peters helps her.

A hugely decorated athlete in her sport, Bianca explains why it's 'all or nothing' for her in competition, as she aims to win gold at this summer's Games.

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