 be able to do them all very, very well. And to have an all-round horse that can do those things is very rare to find. I trust the horse with my life, and I know he trusts me with his life. A huge part of the challenge for the rider? The horse isn't just a machine. It's the only sport in the world that we work with two brains, two separate brains, with the equine and human. A relationship Caroline has forged with her partner in this year's Games, HSH Blake, through years of work.