When he was an overweight non-riding 36 year old lawyer, Jim embarked on a journey to become a jockey and ride in a televised race in less than a year. Since then he has broken the UK's Freediving record (101 metres on a single breath, anyone?) and his book Taming Tigers explains how we can all do things we never thought we could. It worked for me.
Episode dedicated to Geoff and Sharon.http://stuartwilliams.net/