Groomsman, Michael Curran, was acclaimed for his dedicated work with top horses but went into a spiral of decline that ended in his tragic suicide. What leads someone who reaches the top of their profession to take their own life?Samaritans: 116 123 or jo@samaritans.org.Guest:David Walsh, Chief Sports Writer.Host: David Aaronovitch.Additional music: Scott Holmes, Komiku, Kai Engel and Jordan Powell (licensed under Creative Commons).Clips used: Racing TV and Racing Welfare. See acast.com/privacy for privacy and opt-out information.